Finding the Third Proportional to 28.61 and 60.59

Step by Step Solution

1. Step 1: Write the proportion equation
   28.61 : 60.59 = 60.59 : x
2. Step 2: Convert to fraction form
   28.61/60.59 = 60.59/x
3. Step 3: Cross multiply
   28.61x = 60.59 × 60.59
4. Step 4: Simplify right side
   28.61x = 3,671.55
5. Step 5: Solve for x
   x = 3,671.55/28.61
6. Step 6: Final answer
   x = 128.34