Finding the Third Proportional to 264,505.50 and 402,294

Step by Step Solution

1. Step 1: Write the proportion equation
   264,505.50 : 402,294 = 402,294 : x
2. Step 2: Convert to fraction form
   264,505.50/402,294 = 402,294/x
3. Step 3: Cross multiply
   264,505.50x = 402,294 × 402,294
4. Step 4: Simplify right side
   264,505.50x = 161,840,462,436
5. Step 5: Solve for x
   x = 161,840,462,436/264,505.50
6. Step 6: Final answer
   x = 611,860.48