Finding the Third Proportional to 5,499 and 10,723.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,499 : 10,723.50 = 10,723.50 : x
2. Step 2: Convert to fraction form
   5,499/10,723.50 = 10,723.50/x
3. Step 3: Cross multiply
   5,499x = 10,723.50 × 10,723.50
4. Step 4: Simplify right side
   5,499x = 114,993,452.25
5. Step 5: Solve for x
   x = 114,993,452.25/5,499
6. Step 6: Final answer
   x = 20,911.70