Finding the Third Proportional to 545,508 and 733,792.50

Step by Step Solution

1. Step 1: Write the proportion equation
   545,508 : 733,792.50 = 733,792.50 : x
2. Step 2: Convert to fraction form
   545,508/733,792.50 = 733,792.50/x
3. Step 3: Cross multiply
   545,508x = 733,792.50 × 733,792.50
4. Step 4: Simplify right side
   545,508x = 538,451,433,056.25
5. Step 5: Solve for x
   x = 538,451,433,056.25/545,508
6. Step 6: Final answer
   x = 987,064.23