Finding the Third Proportional to 11,809.13 and 17,481.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,809.13 : 17,481.38 = 17,481.38 : x
2. Step 2: Convert to fraction form
   11,809.13/17,481.38 = 17,481.38/x
3. Step 3: Cross multiply
   11,809.13x = 17,481.38 × 17,481.38
4. Step 4: Simplify right side
   11,809.13x = 305,598,471.89
5. Step 5: Solve for x
   x = 305,598,471.89/11,809.13
6. Step 6: Final answer
   x = 25,878.16