Finding the Third Proportional to 72,726.29 and 110,588.73

Step by Step Solution

1. Step 1: Write the proportion equation
   72,726.29 : 110,588.73 = 110,588.73 : x
2. Step 2: Convert to fraction form
   72,726.29/110,588.73 = 110,588.73/x
3. Step 3: Cross multiply
   72,726.29x = 110,588.73 × 110,588.73
4. Step 4: Simplify right side
   72,726.29x = 12,229,867,306.69
5. Step 5: Solve for x
   x = 12,229,867,306.69/72,726.29
6. Step 6: Final answer
   x = 168,162.94