Finding the Third Proportional to 143.30 and 223.52

Step by Step Solution

1. Step 1: Write the proportion equation
   143.30 : 223.52 = 223.52 : x
2. Step 2: Convert to fraction form
   143.30/223.52 = 223.52/x
3. Step 3: Cross multiply
   143.30x = 223.52 × 223.52
4. Step 4: Simplify right side
   143.30x = 49,962.73
5. Step 5: Solve for x
   x = 49,962.73/143.30
6. Step 6: Final answer
   x = 348.67