Finding the Third Proportional to 27.69 and 60.20

Step by Step Solution

1. Step 1: Write the proportion equation
   27.69 : 60.20 = 60.20 : x
2. Step 2: Convert to fraction form
   27.69/60.20 = 60.20/x
3. Step 3: Cross multiply
   27.69x = 60.20 × 60.20
4. Step 4: Simplify right side
   27.69x = 3,623.59
5. Step 5: Solve for x
   x = 3,623.59/27.69
6. Step 6: Final answer
   x = 130.88