Finding the Third Proportional to 8,248 and 12,388

Step by Step Solution

1. Step 1: Write the proportion equation
   8,248 : 12,388 = 12,388 : x
2. Step 2: Convert to fraction form
   8,248/12,388 = 12,388/x
3. Step 3: Cross multiply
   8,248x = 12,388 × 12,388
4. Step 4: Simplify right side
   8,248x = 153,462,544
5. Step 5: Solve for x
   x = 153,462,544/8,248
6. Step 6: Final answer
   x = 18,606.03