Finding the Third Proportional to 10,616.06 and 15,921.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,616.06 : 15,921.56 = 15,921.56 : x
2. Step 2: Convert to fraction form
   10,616.06/15,921.56 = 15,921.56/x
3. Step 3: Cross multiply
   10,616.06x = 15,921.56 × 15,921.56
4. Step 4: Simplify right side
   10,616.06x = 253,496,152.44
5. Step 5: Solve for x
   x = 253,496,152.44/10,616.06
6. Step 6: Final answer
   x = 23,878.55