Finding the Third Proportional to 329,152.50 and 708,255

Step by Step Solution

1. Step 1: Write the proportion equation
   329,152.50 : 708,255 = 708,255 : x
2. Step 2: Convert to fraction form
   329,152.50/708,255 = 708,255/x
3. Step 3: Cross multiply
   329,152.50x = 708,255 × 708,255
4. Step 4: Simplify right side
   329,152.50x = 501,625,145,025
5. Step 5: Solve for x
   x = 501,625,145,025/329,152.50
6. Step 6: Final answer
   x = 1,523,990.08