Finding the Third Proportional to 402,738 and 940,605

Step by Step Solution

1. Step 1: Write the proportion equation
   402,738 : 940,605 = 940,605 : x
2. Step 2: Convert to fraction form
   402,738/940,605 = 940,605/x
3. Step 3: Cross multiply
   402,738x = 940,605 × 940,605
4. Step 4: Simplify right side
   402,738x = 884,737,766,025
5. Step 5: Solve for x
   x = 884,737,766,025/402,738
6. Step 6: Final answer
   x = 2,196,807.27