Finding the Third Proportional to 12,396 and 12,396

Step by Step Solution

1. Step 1: Write the proportion equation
   12,396 : 12,396 = 12,396 : x
2. Step 2: Convert to fraction form
   12,396/12,396 = 12,396/x
3. Step 3: Cross multiply
   12,396x = 12,396 × 12,396
4. Step 4: Simplify right side
   12,396x = 153,660,816
5. Step 5: Solve for x
   x = 153,660,816/12,396
6. Step 6: Final answer
   x = 12,396