Finding the Third Proportional to 40,401.75 and 69,472.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,401.75 : 69,472.50 = 69,472.50 : x
2. Step 2: Convert to fraction form
   40,401.75/69,472.50 = 69,472.50/x
3. Step 3: Cross multiply
   40,401.75x = 69,472.50 × 69,472.50
4. Step 4: Simplify right side
   40,401.75x = 4,826,428,256.25
5. Step 5: Solve for x
   x = 4,826,428,256.25/40,401.75
6. Step 6: Final answer
   x = 119,460.87