Finding the Third Proportional to 8,406.28 and 18,367.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,406.28 : 18,367.38 = 18,367.38 : x
2. Step 2: Convert to fraction form
   8,406.28/18,367.38 = 18,367.38/x
3. Step 3: Cross multiply
   8,406.28x = 18,367.38 × 18,367.38
4. Step 4: Simplify right side
   8,406.28x = 337,360,751.38
5. Step 5: Solve for x
   x = 337,360,751.38/8,406.28
6. Step 6: Final answer
   x = 40,131.98