Finding the Third Proportional to 10,972.50 and 15,960.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,972.50 : 15,960.75 = 15,960.75 : x
2. Step 2: Convert to fraction form
   10,972.50/15,960.75 = 15,960.75/x
3. Step 3: Cross multiply
   10,972.50x = 15,960.75 × 15,960.75
4. Step 4: Simplify right side
   10,972.50x = 254,745,540.56
5. Step 5: Solve for x
   x = 254,745,540.56/10,972.50
6. Step 6: Final answer
   x = 23,216.73