Finding the Third Proportional to 2,690,406 and 3,932,145

Step by Step Solution

1. Step 1: Write the proportion equation
   2,690,406 : 3,932,145 = 3,932,145 : x
2. Step 2: Convert to fraction form
   2,690,406/3,932,145 = 3,932,145/x
3. Step 3: Cross multiply
   2,690,406x = 3,932,145 × 3,932,145
4. Step 4: Simplify right side
   2,690,406x = 15,461,764,301,025
5. Step 5: Solve for x
   x = 15,461,764,301,025/2,690,406
6. Step 6: Final answer
   x = 5,747,000.38