Finding the Third Proportional to 60,601.50 and 81,057.75

Step by Step Solution

1. Step 1: Write the proportion equation
   60,601.50 : 81,057.75 = 81,057.75 : x
2. Step 2: Convert to fraction form
   60,601.50/81,057.75 = 81,057.75/x
3. Step 3: Cross multiply
   60,601.50x = 81,057.75 × 81,057.75
4. Step 4: Simplify right side
   60,601.50x = 6,570,358,835.06
5. Step 5: Solve for x
   x = 6,570,358,835.06/60,601.50
6. Step 6: Final answer
   x = 108,419.08