Finding the Third Proportional to 12,238 and 16,424

Step by Step Solution

1. Step 1: Write the proportion equation
   12,238 : 16,424 = 16,424 : x
2. Step 2: Convert to fraction form
   12,238/16,424 = 16,424/x
3. Step 3: Cross multiply
   12,238x = 16,424 × 16,424
4. Step 4: Simplify right side
   12,238x = 269,747,776
5. Step 5: Solve for x
   x = 269,747,776/12,238
6. Step 6: Final answer
   x = 22,041.82