Finding the Third Proportional to 8,111.81 and 17,391.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.81 : 17,391.38 = 17,391.38 : x
2. Step 2: Convert to fraction form
   8,111.81/17,391.38 = 17,391.38/x
3. Step 3: Cross multiply
   8,111.81x = 17,391.38 × 17,391.38
4. Step 4: Simplify right side
   8,111.81x = 302,459,924.39
5. Step 5: Solve for x
   x = 302,459,924.39/8,111.81
6. Step 6: Final answer
   x = 37,286.36