Finding the Third Proportional to 545,662.69 and 734,062.50

Step by Step Solution

1. Step 1: Write the proportion equation
   545,662.69 : 734,062.50 = 734,062.50 : x
2. Step 2: Convert to fraction form
   545,662.69/734,062.50 = 734,062.50/x
3. Step 3: Cross multiply
   545,662.69x = 734,062.50 × 734,062.50
4. Step 4: Simplify right side
   545,662.69x = 538,847,753,906.25
5. Step 5: Solve for x
   x = 538,847,753,906.25/545,662.69
6. Step 6: Final answer
   x = 987,510.72