Finding the Third Proportional to 8,767.69 and 18,615.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,767.69 : 18,615.38 = 18,615.38 : x
2. Step 2: Convert to fraction form
   8,767.69/18,615.38 = 18,615.38/x
3. Step 3: Cross multiply
   8,767.69x = 18,615.38 × 18,615.38
4. Step 4: Simplify right side
   8,767.69x = 346,532,186.39
5. Step 5: Solve for x
   x = 346,532,186.39/8,767.69
6. Step 6: Final answer
   x = 39,523.78