Finding the Third Proportional to 89,306.50 and 123,023.75

Step by Step Solution

1. Step 1: Write the proportion equation
   89,306.50 : 123,023.75 = 123,023.75 : x
2. Step 2: Convert to fraction form
   89,306.50/123,023.75 = 123,023.75/x
3. Step 3: Cross multiply
   89,306.50x = 123,023.75 × 123,023.75
4. Step 4: Simplify right side
   89,306.50x = 15,134,843,064.06
5. Step 5: Solve for x
   x = 15,134,843,064.06/89,306.50
6. Step 6: Final answer
   x = 169,470.79