Finding the Third Proportional to 32,311.50 and 69,811.75

Step by Step Solution

1. Step 1: Write the proportion equation
   32,311.50 : 69,811.75 = 69,811.75 : x
2. Step 2: Convert to fraction form
   32,311.50/69,811.75 = 69,811.75/x
3. Step 3: Cross multiply
   32,311.50x = 69,811.75 × 69,811.75
4. Step 4: Simplify right side
   32,311.50x = 4,873,680,438.06
5. Step 5: Solve for x
   x = 4,873,680,438.06/32,311.50
6. Step 6: Final answer
   x = 150,834.24