Finding the Third Proportional to 20,960.25 and 31,155.56

Step by Step Solution

1. Step 1: Write the proportion equation
   20,960.25 : 31,155.56 = 31,155.56 : x
2. Step 2: Convert to fraction form
   20,960.25/31,155.56 = 31,155.56/x
3. Step 3: Cross multiply
   20,960.25x = 31,155.56 × 31,155.56
4. Step 4: Simplify right side
   20,960.25x = 970,669,074.69
5. Step 5: Solve for x
   x = 970,669,074.69/20,960.25
6. Step 6: Final answer
   x = 46,310.00