Finding the Third Proportional to 60.22 and 140.59

Step by Step Solution

1. Step 1: Write the proportion equation
   60.22 : 140.59 = 140.59 : x
2. Step 2: Convert to fraction form
   60.22/140.59 = 140.59/x
3. Step 3: Cross multiply
   60.22x = 140.59 × 140.59
4. Step 4: Simplify right side
   60.22x = 19,765.50
5. Step 5: Solve for x
   x = 19,765.50/60.22
6. Step 6: Final answer
   x = 328.21