Finding the Third Proportional to 10,351.13 and 16,141.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,351.13 : 16,141.78 = 16,141.78 : x
2. Step 2: Convert to fraction form
   10,351.13/16,141.78 = 16,141.78/x
3. Step 3: Cross multiply
   10,351.13x = 16,141.78 × 16,141.78
4. Step 4: Simplify right side
   10,351.13x = 260,557,101.92
5. Step 5: Solve for x
   x = 260,557,101.92/10,351.13
6. Step 6: Final answer
   x = 25,171.86