Finding the Third Proportional to 20,989.50 and 32,760.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,989.50 : 32,760.75 = 32,760.75 : x
2. Step 2: Convert to fraction form
   20,989.50/32,760.75 = 32,760.75/x
3. Step 3: Cross multiply
   20,989.50x = 32,760.75 × 32,760.75
4. Step 4: Simplify right side
   20,989.50x = 1,073,266,740.56
5. Step 5: Solve for x
   x = 1,073,266,740.56/20,989.50
6. Step 6: Final answer
   x = 51,133.51