Finding the Third Proportional to 31,505.20 and 49,910.87

Step by Step Solution

1. Step 1: Write the proportion equation
   31,505.20 : 49,910.87 = 49,910.87 : x
2. Step 2: Convert to fraction form
   31,505.20/49,910.87 = 49,910.87/x
3. Step 3: Cross multiply
   31,505.20x = 49,910.87 × 49,910.87
4. Step 4: Simplify right side
   31,505.20x = 2,491,095,053.34
5. Step 5: Solve for x
   x = 2,491,095,053.34/31,505.20
6. Step 6: Final answer
   x = 79,069.32