Finding the Third Proportional to 159.47 and 250.59

Step by Step Solution

1. Step 1: Write the proportion equation
   159.47 : 250.59 = 250.59 : x
2. Step 2: Convert to fraction form
   159.47/250.59 = 250.59/x
3. Step 3: Cross multiply
   159.47x = 250.59 × 250.59
4. Step 4: Simplify right side
   159.47x = 62,797.23
5. Step 5: Solve for x
   x = 62,797.23/159.47
6. Step 6: Final answer
   x = 393.79