Finding the Third Proportional to 32,559.47 and 69,115.78

Step by Step Solution

1. Step 1: Write the proportion equation
   32,559.47 : 69,115.78 = 69,115.78 : x
2. Step 2: Convert to fraction form
   32,559.47/69,115.78 = 69,115.78/x
3. Step 3: Cross multiply
   32,559.47x = 69,115.78 × 69,115.78
4. Step 4: Simplify right side
   32,559.47x = 4,776,991,217.80
5. Step 5: Solve for x
   x = 4,776,991,217.80/32,559.47
6. Step 6: Final answer
   x = 146,715.88