Finding the Third Proportional to 31,717.50 and 50,208.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,717.50 : 50,208.75 = 50,208.75 : x
2. Step 2: Convert to fraction form
   31,717.50/50,208.75 = 50,208.75/x
3. Step 3: Cross multiply
   31,717.50x = 50,208.75 × 50,208.75
4. Step 4: Simplify right side
   31,717.50x = 2,520,918,576.56
5. Step 5: Solve for x
   x = 2,520,918,576.56/31,717.50
6. Step 6: Final answer
   x = 79,480.37