Finding the Third Proportional to 10,689.75 and 23,411.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,689.75 : 23,411.25 = 23,411.25 : x
2. Step 2: Convert to fraction form
   10,689.75/23,411.25 = 23,411.25/x
3. Step 3: Cross multiply
   10,689.75x = 23,411.25 × 23,411.25
4. Step 4: Simplify right side
   10,689.75x = 548,086,626.56
5. Step 5: Solve for x
   x = 548,086,626.56/10,689.75
6. Step 6: Final answer
   x = 51,272.17