Finding the Third Proportional to 8,082.28 and 12,447.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,082.28 : 12,447.42 = 12,447.42 : x
2. Step 2: Convert to fraction form
   8,082.28/12,447.42 = 12,447.42/x
3. Step 3: Cross multiply
   8,082.28x = 12,447.42 × 12,447.42
4. Step 4: Simplify right side
   8,082.28x = 154,938,311.33
5. Step 5: Solve for x
   x = 154,938,311.33/8,082.28
6. Step 6: Final answer
   x = 19,170.12