Finding the Third Proportional to 71,549.50 and 155,400

Step by Step Solution

1. Step 1: Write the proportion equation
   71,549.50 : 155,400 = 155,400 : x
2. Step 2: Convert to fraction form
   71,549.50/155,400 = 155,400/x
3. Step 3: Cross multiply
   71,549.50x = 155,400 × 155,400
4. Step 4: Simplify right side
   71,549.50x = 24,149,160,000
5. Step 5: Solve for x
   x = 24,149,160,000/71,549.50
6. Step 6: Final answer
   x = 337,516.82