Finding the Third Proportional to 15,368 and 17,636

Step by Step Solution

1. Step 1: Write the proportion equation
   15,368 : 17,636 = 17,636 : x
2. Step 2: Convert to fraction form
   15,368/17,636 = 17,636/x
3. Step 3: Cross multiply
   15,368x = 17,636 × 17,636
4. Step 4: Simplify right side
   15,368x = 311,028,496
5. Step 5: Solve for x
   x = 311,028,496/15,368
6. Step 6: Final answer
   x = 20,238.71