Finding the Third Proportional to 111.38 and 235.83

Step by Step Solution

1. Step 1: Write the proportion equation
   111.38 : 235.83 = 235.83 : x
2. Step 2: Convert to fraction form
   111.38/235.83 = 235.83/x
3. Step 3: Cross multiply
   111.38x = 235.83 × 235.83
4. Step 4: Simplify right side
   111.38x = 55,614.90
5. Step 5: Solve for x
   x = 55,614.90/111.38
6. Step 6: Final answer
   x = 499.35