Finding the Third Proportional to 634,792 and 861,153.50

Step by Step Solution

1. Step 1: Write the proportion equation
   634,792 : 861,153.50 = 861,153.50 : x
2. Step 2: Convert to fraction form
   634,792/861,153.50 = 861,153.50/x
3. Step 3: Cross multiply
   634,792x = 861,153.50 × 861,153.50
4. Step 4: Simplify right side
   634,792x = 741,585,350,562.25
5. Step 5: Solve for x
   x = 741,585,350,562.25/634,792
6. Step 6: Final answer
   x = 1,168,233.61