Finding the Third Proportional to 8,518.50 and 18,066.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,518.50 : 18,066.38 = 18,066.38 : x
2. Step 2: Convert to fraction form
   8,518.50/18,066.38 = 18,066.38/x
3. Step 3: Cross multiply
   8,518.50x = 18,066.38 × 18,066.38
4. Step 4: Simplify right side
   8,518.50x = 326,393,905.64
5. Step 5: Solve for x
   x = 326,393,905.64/8,518.50
6. Step 6: Final answer
   x = 38,315.89