Finding the Third Proportional to 71,544.50 and 155,390.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,544.50 : 155,390.50 = 155,390.50 : x
2. Step 2: Convert to fraction form
   71,544.50/155,390.50 = 155,390.50/x
3. Step 3: Cross multiply
   71,544.50x = 155,390.50 × 155,390.50
4. Step 4: Simplify right side
   71,544.50x = 24,146,207,490.25
5. Step 5: Solve for x
   x = 24,146,207,490.25/71,544.50
6. Step 6: Final answer
   x = 337,499.14