Finding the Third Proportional to 12,396 and 25,656

Step by Step Solution

1. Step 1: Write the proportion equation
   12,396 : 25,656 = 25,656 : x
2. Step 2: Convert to fraction form
   12,396/25,656 = 25,656/x
3. Step 3: Cross multiply
   12,396x = 25,656 × 25,656
4. Step 4: Simplify right side
   12,396x = 658,230,336
5. Step 5: Solve for x
   x = 658,230,336/12,396
6. Step 6: Final answer
   x = 53,100.22