Finding the Third Proportional to 12,436 and 16,836

Step by Step Solution

1. Step 1: Write the proportion equation
   12,436 : 16,836 = 16,836 : x
2. Step 2: Convert to fraction form
   12,436/16,836 = 16,836/x
3. Step 3: Cross multiply
   12,436x = 16,836 × 16,836
4. Step 4: Simplify right side
   12,436x = 283,450,896
5. Step 5: Solve for x
   x = 283,450,896/12,436
6. Step 6: Final answer
   x = 22,792.77