Finding the Third Proportional to 141.38 and 301.88

Step by Step Solution

1. Step 1: Write the proportion equation
   141.38 : 301.88 = 301.88 : x
2. Step 2: Convert to fraction form
   141.38/301.88 = 301.88/x
3. Step 3: Cross multiply
   141.38x = 301.88 × 301.88
4. Step 4: Simplify right side
   141.38x = 91,128.52
5. Step 5: Solve for x
   x = 91,128.52/141.38
6. Step 6: Final answer
   x = 644.59