Finding the Third Proportional to 71,601.47 and 149,086.20

Step by Step Solution

1. Step 1: Write the proportion equation
   71,601.47 : 149,086.20 = 149,086.20 : x
2. Step 2: Convert to fraction form
   71,601.47/149,086.20 = 149,086.20/x
3. Step 3: Cross multiply
   71,601.47x = 149,086.20 × 149,086.20
4. Step 4: Simplify right side
   71,601.47x = 22,226,693,632.76
5. Step 5: Solve for x
   x = 22,226,693,632.76/71,601.47
6. Step 6: Final answer
   x = 310,422.31