Finding the Third Proportional to 5,304 and 10,488

Step by Step Solution

1. Step 1: Write the proportion equation
   5,304 : 10,488 = 10,488 : x
2. Step 2: Convert to fraction form
   5,304/10,488 = 10,488/x
3. Step 3: Cross multiply
   5,304x = 10,488 × 10,488
4. Step 4: Simplify right side
   5,304x = 109,998,144
5. Step 5: Solve for x
   x = 109,998,144/5,304
6. Step 6: Final answer
   x = 20,738.71