Finding the Third Proportional to 8,979.75 and 12,826.13

Step by Step Solution

1. Step 1: Write the proportion equation
   8,979.75 : 12,826.13 = 12,826.13 : x
2. Step 2: Convert to fraction form
   8,979.75/12,826.13 = 12,826.13/x
3. Step 3: Cross multiply
   8,979.75x = 12,826.13 × 12,826.13
4. Step 4: Simplify right side
   8,979.75x = 164,509,482.52
5. Step 5: Solve for x
   x = 164,509,482.52/8,979.75
6. Step 6: Final answer
   x = 18,320.05