Finding the Third Proportional to 71,398.50 and 155,088

Step by Step Solution

1. Step 1: Write the proportion equation
   71,398.50 : 155,088 = 155,088 : x
2. Step 2: Convert to fraction form
   71,398.50/155,088 = 155,088/x
3. Step 3: Cross multiply
   71,398.50x = 155,088 × 155,088
4. Step 4: Simplify right side
   71,398.50x = 24,052,287,744
5. Step 5: Solve for x
   x = 24,052,287,744/71,398.50
6. Step 6: Final answer
   x = 336,873.85