Finding the Third Proportional to 72,744 and 156,555

Step by Step Solution

1. Step 1: Write the proportion equation
   72,744 : 156,555 = 156,555 : x
2. Step 2: Convert to fraction form
   72,744/156,555 = 156,555/x
3. Step 3: Cross multiply
   72,744x = 156,555 × 156,555
4. Step 4: Simplify right side
   72,744x = 24,509,468,025
5. Step 5: Solve for x
   x = 24,509,468,025/72,744
6. Step 6: Final answer
   x = 336,927.69