Finding the Third Proportional to 225.91 and 362.60

Step by Step Solution

1. Step 1: Write the proportion equation
   225.91 : 362.60 = 362.60 : x
2. Step 2: Convert to fraction form
   225.91/362.60 = 362.60/x
3. Step 3: Cross multiply
   225.91x = 362.60 × 362.60
4. Step 4: Simplify right side
   225.91x = 131,479.89
5. Step 5: Solve for x
   x = 131,479.89/225.91
6. Step 6: Final answer
   x = 581.99