Finding the Third Proportional to 31,243.50 and 48,711

Step by Step Solution

1. Step 1: Write the proportion equation
   31,243.50 : 48,711 = 48,711 : x
2. Step 2: Convert to fraction form
   31,243.50/48,711 = 48,711/x
3. Step 3: Cross multiply
   31,243.50x = 48,711 × 48,711
4. Step 4: Simplify right side
   31,243.50x = 2,372,761,521
5. Step 5: Solve for x
   x = 2,372,761,521/31,243.50
6. Step 6: Final answer
   x = 75,944.17