Finding the Third Proportional to 8,286.38 and 12,038.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,286.38 : 12,038.25 = 12,038.25 : x
2. Step 2: Convert to fraction form
   8,286.38/12,038.25 = 12,038.25/x
3. Step 3: Cross multiply
   8,286.38x = 12,038.25 × 12,038.25
4. Step 4: Simplify right side
   8,286.38x = 144,919,463.06
5. Step 5: Solve for x
   x = 144,919,463.06/8,286.38
6. Step 6: Final answer
   x = 17,488.89