Finding the Third Proportional to 454,539 and 703,792.50

Step by Step Solution

1. Step 1: Write the proportion equation
   454,539 : 703,792.50 = 703,792.50 : x
2. Step 2: Convert to fraction form
   454,539/703,792.50 = 703,792.50/x
3. Step 3: Cross multiply
   454,539x = 703,792.50 × 703,792.50
4. Step 4: Simplify right side
   454,539x = 495,323,883,056.25
5. Step 5: Solve for x
   x = 495,323,883,056.25/454,539
6. Step 6: Final answer
   x = 1,089,728.02