Finding the Third Proportional to 5,499 and 10,722.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,499 : 10,722.38 = 10,722.38 : x
2. Step 2: Convert to fraction form
   5,499/10,722.38 = 10,722.38/x
3. Step 3: Cross multiply
   5,499x = 10,722.38 × 10,722.38
4. Step 4: Simplify right side
   5,499x = 114,969,325.64
5. Step 5: Solve for x
   x = 114,969,325.64/5,499
6. Step 6: Final answer
   x = 20,907.32