Finding the Third Proportional to 72,016.88 and 109,020.38

Step by Step Solution

1. Step 1: Write the proportion equation
   72,016.88 : 109,020.38 = 109,020.38 : x
2. Step 2: Convert to fraction form
   72,016.88/109,020.38 = 109,020.38/x
3. Step 3: Cross multiply
   72,016.88x = 109,020.38 × 109,020.38
4. Step 4: Simplify right side
   72,016.88x = 11,885,442,165.14
5. Step 5: Solve for x
   x = 11,885,442,165.14/72,016.88
6. Step 6: Final answer
   x = 165,036.91