Finding the Third Proportional to 457,513 and 660,023.50

Step by Step Solution

1. Step 1: Write the proportion equation
   457,513 : 660,023.50 = 660,023.50 : x
2. Step 2: Convert to fraction form
   457,513/660,023.50 = 660,023.50/x
3. Step 3: Cross multiply
   457,513x = 660,023.50 × 660,023.50
4. Step 4: Simplify right side
   457,513x = 435,631,020,552.25
5. Step 5: Solve for x
   x = 435,631,020,552.25/457,513
6. Step 6: Final answer
   x = 952,171.90