Finding the Third Proportional to 69.28 and 151.59

Step by Step Solution

1. Step 1: Write the proportion equation
   69.28 : 151.59 = 151.59 : x
2. Step 2: Convert to fraction form
   69.28/151.59 = 151.59/x
3. Step 3: Cross multiply
   69.28x = 151.59 × 151.59
4. Step 4: Simplify right side
   69.28x = 22,980.67
5. Step 5: Solve for x
   x = 22,980.67/69.28
6. Step 6: Final answer
   x = 331.70