Finding the Third Proportional to 3,864 and 10,488

Step by Step Solution

1. Step 1: Write the proportion equation
   3,864 : 10,488 = 10,488 : x
2. Step 2: Convert to fraction form
   3,864/10,488 = 10,488/x
3. Step 3: Cross multiply
   3,864x = 10,488 × 10,488
4. Step 4: Simplify right side
   3,864x = 109,998,144
5. Step 5: Solve for x
   x = 109,998,144/3,864
6. Step 6: Final answer
   x = 28,467.43