Finding the Third Proportional to 8,488 and 12,363

Step by Step Solution

1. Step 1: Write the proportion equation
   8,488 : 12,363 = 12,363 : x
2. Step 2: Convert to fraction form
   8,488/12,363 = 12,363/x
3. Step 3: Cross multiply
   8,488x = 12,363 × 12,363
4. Step 4: Simplify right side
   8,488x = 152,843,769
5. Step 5: Solve for x
   x = 152,843,769/8,488
6. Step 6: Final answer
   x = 18,007.04