Finding the Third Proportional to 11,719.69 and 16,141.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,719.69 : 16,141.78 = 16,141.78 : x
2. Step 2: Convert to fraction form
   11,719.69/16,141.78 = 16,141.78/x
3. Step 3: Cross multiply
   11,719.69x = 16,141.78 × 16,141.78
4. Step 4: Simplify right side
   11,719.69x = 260,557,101.92
5. Step 5: Solve for x
   x = 260,557,101.92/11,719.69
6. Step 6: Final answer
   x = 22,232.43