Finding the Third Proportional to 76.89 and 160.18

Step by Step Solution

1. Step 1: Write the proportion equation
   76.89 : 160.18 = 160.18 : x
2. Step 2: Convert to fraction form
   76.89/160.18 = 160.18/x
3. Step 3: Cross multiply
   76.89x = 160.18 × 160.18
4. Step 4: Simplify right side
   76.89x = 25,657.85
5. Step 5: Solve for x
   x = 25,657.85/76.89
6. Step 6: Final answer
   x = 333.71