Finding the Third Proportional to 5,488 and 10,706

Step by Step Solution

1. Step 1: Write the proportion equation
   5,488 : 10,706 = 10,706 : x
2. Step 2: Convert to fraction form
   5,488/10,706 = 10,706/x
3. Step 3: Cross multiply
   5,488x = 10,706 × 10,706
4. Step 4: Simplify right side
   5,488x = 114,618,436
5. Step 5: Solve for x
   x = 114,618,436/5,488
6. Step 6: Final answer
   x = 20,885.28