Finding the Third Proportional to 31,282.88 and 48,479.63

Step by Step Solution

1. Step 1: Write the proportion equation
   31,282.88 : 48,479.63 = 48,479.63 : x
2. Step 2: Convert to fraction form
   31,282.88/48,479.63 = 48,479.63/x
3. Step 3: Cross multiply
   31,282.88x = 48,479.63 × 48,479.63
4. Step 4: Simplify right side
   31,282.88x = 2,350,274,040.14
5. Step 5: Solve for x
   x = 2,350,274,040.14/31,282.88
6. Step 6: Final answer
   x = 75,129.73