Finding the Third Proportional to 8,911.27 and 18,004.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,911.27 : 18,004.78 = 18,004.78 : x
2. Step 2: Convert to fraction form
   8,911.27/18,004.78 = 18,004.78/x
3. Step 3: Cross multiply
   8,911.27x = 18,004.78 × 18,004.78
4. Step 4: Simplify right side
   8,911.27x = 324,172,147.86
5. Step 5: Solve for x
   x = 324,172,147.86/8,911.27
6. Step 6: Final answer
   x = 36,377.79