When any city or village shall desire to be annexed to another and contiguous city or village, the city council or trustees of each city or village shall appoint three commissioners to arrange and report to such council or trustees respectively the terms and conditions on which the proposed annexation can be made; and, if the council or trustees of each such city or village approve of the terms and conditions proposed, they shall, by proper ordinance, so declare; and thereupon the council or trustees of each of such cities or villages by ordinance passed at least one month prior to the general annual election therein, may submit the question of such annexation, upon the terms and conditions so proposed, to the electors of their respective cities or villages; and if a majority of the electors of each vote in favor of such annexation the council or trustees of each shall, by proper ordinance, so declare. A certified copy of the whole proceedings of the city or village shall be filed with the clerk of the city or village to which the annexation is made.