Finding the Third Proportional to 31,521.25 and 48,805.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,521.25 : 48,805.75 = 48,805.75 : x
2. Step 2: Convert to fraction form
   31,521.25/48,805.75 = 48,805.75/x
3. Step 3: Cross multiply
   31,521.25x = 48,805.75 × 48,805.75
4. Step 4: Simplify right side
   31,521.25x = 2,382,001,233.06
5. Step 5: Solve for x
   x = 2,382,001,233.06/31,521.25
6. Step 6: Final answer
   x = 75,568.11