Finding the Third Proportional to 11,196.75 and 16,921.13

Step by Step Solution

1. Step 1: Write the proportion equation
   11,196.75 : 16,921.13 = 16,921.13 : x
2. Step 2: Convert to fraction form
   11,196.75/16,921.13 = 16,921.13/x
3. Step 3: Cross multiply
   11,196.75x = 16,921.13 × 16,921.13
4. Step 4: Simplify right side
   11,196.75x = 286,324,471.27
5. Step 5: Solve for x
   x = 286,324,471.27/11,196.75
6. Step 6: Final answer
   x = 25,572.11