Finding the Third Proportional to 72,279 and 101,344.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,279 : 101,344.50 = 101,344.50 : x
2. Step 2: Convert to fraction form
   72,279/101,344.50 = 101,344.50/x
3. Step 3: Cross multiply
   72,279x = 101,344.50 × 101,344.50
4. Step 4: Simplify right side
   72,279x = 10,270,707,680.25
5. Step 5: Solve for x
   x = 10,270,707,680.25/72,279
6. Step 6: Final answer
   x = 142,098.09