Finding the Third Proportional to 19,662.75 and 31,149.56

Step by Step Solution

1. Step 1: Write the proportion equation
   19,662.75 : 31,149.56 = 31,149.56 : x
2. Step 2: Convert to fraction form
   19,662.75/31,149.56 = 31,149.56/x
3. Step 3: Cross multiply
   19,662.75x = 31,149.56 × 31,149.56
4. Step 4: Simplify right side
   19,662.75x = 970,295,243.94
5. Step 5: Solve for x
   x = 970,295,243.94/19,662.75
6. Step 6: Final answer
   x = 49,346.87