Finding the Third Proportional to 28.83 and 60.89

Step by Step Solution

1. Step 1: Write the proportion equation
   28.83 : 60.89 = 60.89 : x
2. Step 2: Convert to fraction form
   28.83/60.89 = 60.89/x
3. Step 3: Cross multiply
   28.83x = 60.89 × 60.89
4. Step 4: Simplify right side
   28.83x = 3,707.67
5. Step 5: Solve for x
   x = 3,707.67/28.83
6. Step 6: Final answer
   x = 128.61