Finding the Third Proportional to 8,636 and 12,338

Step by Step Solution

1. Step 1: Write the proportion equation
   8,636 : 12,338 = 12,338 : x
2. Step 2: Convert to fraction form
   8,636/12,338 = 12,338/x
3. Step 3: Cross multiply
   8,636x = 12,338 × 12,338
4. Step 4: Simplify right side
   8,636x = 152,226,244
5. Step 5: Solve for x
   x = 152,226,244/8,636
6. Step 6: Final answer
   x = 17,626.94