Finding the Third Proportional to 31,240.69 and 48,258.28

Step by Step Solution

1. Step 1: Write the proportion equation
   31,240.69 : 48,258.28 = 48,258.28 : x
2. Step 2: Convert to fraction form
   31,240.69/48,258.28 = 48,258.28/x
3. Step 3: Cross multiply
   31,240.69x = 48,258.28 × 48,258.28
4. Step 4: Simplify right side
   31,240.69x = 2,328,861,709.20
5. Step 5: Solve for x
   x = 2,328,861,709.20/31,240.69
6. Step 6: Final answer
   x = 74,545.79