Finding the Third Proportional to 141.12 and 223.38

Step by Step Solution

1. Step 1: Write the proportion equation
   141.12 : 223.38 = 223.38 : x
2. Step 2: Convert to fraction form
   141.12/223.38 = 223.38/x
3. Step 3: Cross multiply
   141.12x = 223.38 × 223.38
4. Step 4: Simplify right side
   141.12x = 49,899.88
5. Step 5: Solve for x
   x = 49,899.88/141.12
6. Step 6: Final answer
   x = 353.61