Finding the Third Proportional to 71,662 and 167,342.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,662 : 167,342.50 = 167,342.50 : x
2. Step 2: Convert to fraction form
   71,662/167,342.50 = 167,342.50/x
3. Step 3: Cross multiply
   71,662x = 167,342.50 × 167,342.50
4. Step 4: Simplify right side
   71,662x = 28,003,512,306.25
5. Step 5: Solve for x
   x = 28,003,512,306.25/71,662
6. Step 6: Final answer
   x = 390,772.13