Finding the Third Proportional to 636,662 and 993,741

Step by Step Solution

1. Step 1: Write the proportion equation
   636,662 : 993,741 = 993,741 : x
2. Step 2: Convert to fraction form
   636,662/993,741 = 993,741/x
3. Step 3: Cross multiply
   636,662x = 993,741 × 993,741
4. Step 4: Simplify right side
   636,662x = 987,521,175,081
5. Step 5: Solve for x
   x = 987,521,175,081/636,662
6. Step 6: Final answer
   x = 1,551,091.75