Finding the Third Proportional to 12,836 and 16,774

Step by Step Solution

1. Step 1: Write the proportion equation
   12,836 : 16,774 = 16,774 : x
2. Step 2: Convert to fraction form
   12,836/16,774 = 16,774/x
3. Step 3: Cross multiply
   12,836x = 16,774 × 16,774
4. Step 4: Simplify right side
   12,836x = 281,367,076
5. Step 5: Solve for x
   x = 281,367,076/12,836
6. Step 6: Final answer
   x = 21,920.15