Finding the Third Proportional to 71,555 and 155,411.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,555 : 155,411.50 = 155,411.50 : x
2. Step 2: Convert to fraction form
   71,555/155,411.50 = 155,411.50/x
3. Step 3: Cross multiply
   71,555x = 155,411.50 × 155,411.50
4. Step 4: Simplify right side
   71,555x = 24,152,734,332.25
5. Step 5: Solve for x
   x = 24,152,734,332.25/71,555
6. Step 6: Final answer
   x = 337,540.83