Finding the Third Proportional to 11,979.56 and 17,251.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,979.56 : 17,251.69 = 17,251.69 : x
2. Step 2: Convert to fraction form
   11,979.56/17,251.69 = 17,251.69/x
3. Step 3: Cross multiply
   11,979.56x = 17,251.69 × 17,251.69
4. Step 4: Simplify right side
   11,979.56x = 297,620,721.60
5. Step 5: Solve for x
   x = 297,620,721.60/11,979.56
6. Step 6: Final answer
   x = 24,844.04