Finding the Third Proportional to 2,557,770 and 5,596,956

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557,770 : 5,596,956 = 5,596,956 : x
2. Step 2: Convert to fraction form
   2,557,770/5,596,956 = 5,596,956/x
3. Step 3: Cross multiply
   2,557,770x = 5,596,956 × 5,596,956
4. Step 4: Simplify right side
   2,557,770x = 31,325,916,465,936
5. Step 5: Solve for x
   x = 31,325,916,465,936/2,557,770
6. Step 6: Final answer
   x = 12,247,354.71