Finding the Third Proportional to 20,789.25 and 31,151.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,789.25 : 31,151.25 = 31,151.25 : x
2. Step 2: Convert to fraction form
   20,789.25/31,151.25 = 31,151.25/x
3. Step 3: Cross multiply
   20,789.25x = 31,151.25 × 31,151.25
4. Step 4: Simplify right side
   20,789.25x = 970,400,376.56
5. Step 5: Solve for x
   x = 970,400,376.56/20,789.25
6. Step 6: Final answer
   x = 46,677.99