Finding the Third Proportional to 12,426 and 25,212

Step by Step Solution

1. Step 1: Write the proportion equation
   12,426 : 25,212 = 25,212 : x
2. Step 2: Convert to fraction form
   12,426/25,212 = 25,212/x
3. Step 3: Cross multiply
   12,426x = 25,212 × 25,212
4. Step 4: Simplify right side
   12,426x = 635,644,944
5. Step 5: Solve for x
   x = 635,644,944/12,426
6. Step 6: Final answer
   x = 51,154.43