Finding the Third Proportional to 5,488.50 and 10,700.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,488.50 : 10,700.25 = 10,700.25 : x
2. Step 2: Convert to fraction form
   5,488.50/10,700.25 = 10,700.25/x
3. Step 3: Cross multiply
   5,488.50x = 10,700.25 × 10,700.25
4. Step 4: Simplify right side
   5,488.50x = 114,495,350.06
5. Step 5: Solve for x
   x = 114,495,350.06/5,488.50
6. Step 6: Final answer
   x = 20,860.95