Finding the Third Proportional to 8,284.78 and 12,036.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,284.78 : 12,036.09 = 12,036.09 : x
2. Step 2: Convert to fraction form
   8,284.78/12,036.09 = 12,036.09/x
3. Step 3: Cross multiply
   8,284.78x = 12,036.09 × 12,036.09
4. Step 4: Simplify right side
   8,284.78x = 144,867,552.76
5. Step 5: Solve for x
   x = 144,867,552.76/8,284.78
6. Step 6: Final answer
   x = 17,485.98