Finding the Third Proportional to 28.69 and 61.03

Step by Step Solution

1. Step 1: Write the proportion equation
   28.69 : 61.03 = 61.03 : x
2. Step 2: Convert to fraction form
   28.69/61.03 = 61.03/x
3. Step 3: Cross multiply
   28.69x = 61.03 × 61.03
4. Step 4: Simplify right side
   28.69x = 3,724.81
5. Step 5: Solve for x
   x = 3,724.81/28.69
6. Step 6: Final answer
   x = 129.84