Finding the Third Proportional to 72,661.50 and 98,624.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,661.50 : 98,624.25 = 98,624.25 : x
2. Step 2: Convert to fraction form
   72,661.50/98,624.25 = 98,624.25/x
3. Step 3: Cross multiply
   72,661.50x = 98,624.25 × 98,624.25
4. Step 4: Simplify right side
   72,661.50x = 9,726,742,688.06
5. Step 5: Solve for x
   x = 9,726,742,688.06/72,661.50
6. Step 6: Final answer
   x = 133,863.78