Finding the Third Proportional to 2,557,402 and 3,818,598

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557,402 : 3,818,598 = 3,818,598 : x
2. Step 2: Convert to fraction form
   2,557,402/3,818,598 = 3,818,598/x
3. Step 3: Cross multiply
   2,557,402x = 3,818,598 × 3,818,598
4. Step 4: Simplify right side
   2,557,402x = 14,581,690,685,604
5. Step 5: Solve for x
   x = 14,581,690,685,604/2,557,402
6. Step 6: Final answer
   x = 5,701,759.32