Finding the Third Proportional to 12,238 and 16,425

Step by Step Solution

1. Step 1: Write the proportion equation
   12,238 : 16,425 = 16,425 : x
2. Step 2: Convert to fraction form
   12,238/16,425 = 16,425/x
3. Step 3: Cross multiply
   12,238x = 16,425 × 16,425
4. Step 4: Simplify right side
   12,238x = 269,780,625
5. Step 5: Solve for x
   x = 269,780,625/12,238
6. Step 6: Final answer
   x = 22,044.50