Finding the Third Proportional to 3,928 and 10,636

Step by Step Solution

1. Step 1: Write the proportion equation
   3,928 : 10,636 = 10,636 : x
2. Step 2: Convert to fraction form
   3,928/10,636 = 10,636/x
3. Step 3: Cross multiply
   3,928x = 10,636 × 10,636
4. Step 4: Simplify right side
   3,928x = 113,124,496
5. Step 5: Solve for x
   x = 113,124,496/3,928
6. Step 6: Final answer
   x = 28,799.52