44%
Select the correct adjective form.
With a population of 1.4 million, Novosibirsk is the third _________________________ city in Russia.
The superlative form of an adjective can be used in combination with the ordinal numerals to indicate the size of an object. Big is a monosyllabic regular adjective and so the superlative form is biggest. Note that the ordinal number third comes after the determiner the.