Finding the Third Proportional to 2,690,712 and 3,932,469

Step by Step Solution

1. Step 1: Write the proportion equation
   2,690,712 : 3,932,469 = 3,932,469 : x
2. Step 2: Convert to fraction form
   2,690,712/3,932,469 = 3,932,469/x
3. Step 3: Cross multiply
   2,690,712x = 3,932,469 × 3,932,469
4. Step 4: Simplify right side
   2,690,712x = 15,464,312,435,961
5. Step 5: Solve for x
   x = 15,464,312,435,961/2,690,712
6. Step 6: Final answer
   x = 5,747,293.82