Finding the Third Proportional to 8,388 and 12,462

Step by Step Solution

1. Step 1: Write the proportion equation
   8,388 : 12,462 = 12,462 : x
2. Step 2: Convert to fraction form
   8,388/12,462 = 12,462/x
3. Step 3: Cross multiply
   8,388x = 12,462 × 12,462
4. Step 4: Simplify right side
   8,388x = 155,301,444
5. Step 5: Solve for x
   x = 155,301,444/8,388
6. Step 6: Final answer
   x = 18,514.72