Finding the Third Proportional to 72,660.50 and 98,622.75

Step by Step Solution

1. Step 1: Write the proportion equation
   72,660.50 : 98,622.75 = 98,622.75 : x
2. Step 2: Convert to fraction form
   72,660.50/98,622.75 = 98,622.75/x
3. Step 3: Cross multiply
   72,660.50x = 98,622.75 × 98,622.75
4. Step 4: Simplify right side
   72,660.50x = 9,726,446,817.56
5. Step 5: Solve for x
   x = 9,726,446,817.56/72,660.50
6. Step 6: Final answer
   x = 133,861.55