Finding the Third Proportional to 8,494.88 and 18,021.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,494.88 : 18,021.38 = 18,021.38 : x
2. Step 2: Convert to fraction form
   8,494.88/18,021.38 = 18,021.38/x
3. Step 3: Cross multiply
   8,494.88x = 18,021.38 × 18,021.38
4. Step 4: Simplify right side
   8,494.88x = 324,769,956.89
5. Step 5: Solve for x
   x = 324,769,956.89/8,494.88
6. Step 6: Final answer
   x = 38,231.28