Finding the Third Proportional to 31,910.50 and 50,872.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,910.50 : 50,872.75 = 50,872.75 : x
2. Step 2: Convert to fraction form
   31,910.50/50,872.75 = 50,872.75/x
3. Step 3: Cross multiply
   31,910.50x = 50,872.75 × 50,872.75
4. Step 4: Simplify right side
   31,910.50x = 2,588,036,692.56
5. Step 5: Solve for x
   x = 2,588,036,692.56/31,910.50
6. Step 6: Final answer
   x = 81,102.98