Finding the Third Proportional to 19,663.50 and 31,150.88

Step by Step Solution

1. Step 1: Write the proportion equation
   19,663.50 : 31,150.88 = 31,150.88 : x
2. Step 2: Convert to fraction form
   19,663.50/31,150.88 = 31,150.88/x
3. Step 3: Cross multiply
   19,663.50x = 31,150.88 × 31,150.88
4. Step 4: Simplify right side
   19,663.50x = 970,377,013.27
5. Step 5: Solve for x
   x = 970,377,013.27/19,663.50
6. Step 6: Final answer
   x = 49,349.15