Finding the Third Proportional to 72,175 and 108,581

Step by Step Solution

1. Step 1: Write the proportion equation
   72,175 : 108,581 = 108,581 : x
2. Step 2: Convert to fraction form
   72,175/108,581 = 108,581/x
3. Step 3: Cross multiply
   72,175x = 108,581 × 108,581
4. Step 4: Simplify right side
   72,175x = 11,789,833,561
5. Step 5: Solve for x
   x = 11,789,833,561/72,175
6. Step 6: Final answer
   x = 163,350.66