Finding the Third Proportional to 72,720 and 108,592

Step by Step Solution

1. Step 1: Write the proportion equation
   72,720 : 108,592 = 108,592 : x
2. Step 2: Convert to fraction form
   72,720/108,592 = 108,592/x
3. Step 3: Cross multiply
   72,720x = 108,592 × 108,592
4. Step 4: Simplify right side
   72,720x = 11,792,222,464
5. Step 5: Solve for x
   x = 11,792,222,464/72,720
6. Step 6: Final answer
   x = 162,159.27