Finding the Third Proportional to 71,658.50 and 151,854

Step by Step Solution

1. Step 1: Write the proportion equation
   71,658.50 : 151,854 = 151,854 : x
2. Step 2: Convert to fraction form
   71,658.50/151,854 = 151,854/x
3. Step 3: Cross multiply
   71,658.50x = 151,854 × 151,854
4. Step 4: Simplify right side
   71,658.50x = 23,059,637,316
5. Step 5: Solve for x
   x = 23,059,637,316/71,658.50
6. Step 6: Final answer
   x = 321,799.05