Finding the Third Proportional to 10,411.88 and 15,921.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,411.88 : 15,921.56 = 15,921.56 : x
2. Step 2: Convert to fraction form
   10,411.88/15,921.56 = 15,921.56/x
3. Step 3: Cross multiply
   10,411.88x = 15,921.56 × 15,921.56
4. Step 4: Simplify right side
   10,411.88x = 253,496,152.44
5. Step 5: Solve for x
   x = 253,496,152.44/10,411.88
6. Step 6: Final answer
   x = 24,346.83