Finding the Third Proportional to 208,156.50 and 329,292

Step by Step Solution

1. Step 1: Write the proportion equation
   208,156.50 : 329,292 = 329,292 : x
2. Step 2: Convert to fraction form
   208,156.50/329,292 = 329,292/x
3. Step 3: Cross multiply
   208,156.50x = 329,292 × 329,292
4. Step 4: Simplify right side
   208,156.50x = 108,433,221,264
5. Step 5: Solve for x
   x = 108,433,221,264/208,156.50
6. Step 6: Final answer
   x = 520,921.62