Finding the Third Proportional to 31,528 and 48,818

Step by Step Solution

1. Step 1: Write the proportion equation
   31,528 : 48,818 = 48,818 : x
2. Step 2: Convert to fraction form
   31,528/48,818 = 48,818/x
3. Step 3: Cross multiply
   31,528x = 48,818 × 48,818
4. Step 4: Simplify right side
   31,528x = 2,383,197,124
5. Step 5: Solve for x
   x = 2,383,197,124/31,528
6. Step 6: Final answer
   x = 75,589.86