Finding the Third Proportional to 80.81 and 152.06

Step by Step Solution

1. Step 1: Write the proportion equation
   80.81 : 152.06 = 152.06 : x
2. Step 2: Convert to fraction form
   80.81/152.06 = 152.06/x
3. Step 3: Cross multiply
   80.81x = 152.06 × 152.06
4. Step 4: Simplify right side
   80.81x = 23,123.00
5. Step 5: Solve for x
   x = 23,123.00/80.81
6. Step 6: Final answer
   x = 286.13