Finding the Third Proportional to 31,411.75 and 48,575.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,411.75 : 48,575.75 = 48,575.75 : x
2. Step 2: Convert to fraction form
   31,411.75/48,575.75 = 48,575.75/x
3. Step 3: Cross multiply
   31,411.75x = 48,575.75 × 48,575.75
4. Step 4: Simplify right side
   31,411.75x = 2,359,603,488.06
5. Step 5: Solve for x
   x = 2,359,603,488.06/31,411.75
6. Step 6: Final answer
   x = 75,118.50