Finding the Third Proportional to 115.33 and 179.40

Step by Step Solution

1. Step 1: Write the proportion equation
   115.33 : 179.40 = 179.40 : x
2. Step 2: Convert to fraction form
   115.33/179.40 = 179.40/x
3. Step 3: Cross multiply
   115.33x = 179.40 × 179.40
4. Step 4: Simplify right side
   115.33x = 32,185.20
5. Step 5: Solve for x
   x = 32,185.20/115.33
6. Step 6: Final answer
   x = 279.07