Finding the Third Proportional to 86.38 and 183.83

Step by Step Solution

1. Step 1: Write the proportion equation
   86.38 : 183.83 = 183.83 : x
2. Step 2: Convert to fraction form
   86.38/183.83 = 183.83/x
3. Step 3: Cross multiply
   86.38x = 183.83 × 183.83
4. Step 4: Simplify right side
   86.38x = 33,794.22
5. Step 5: Solve for x
   x = 33,794.22/86.38
6. Step 6: Final answer
   x = 391.23