Finding the Third Proportional to 104.58 and 225.33

Step by Step Solution

1. Step 1: Write the proportion equation
   104.58 : 225.33 = 225.33 : x
2. Step 2: Convert to fraction form
   104.58/225.33 = 225.33/x
3. Step 3: Cross multiply
   104.58x = 225.33 × 225.33
4. Step 4: Simplify right side
   104.58x = 50,772.76
5. Step 5: Solve for x
   x = 50,772.76/104.58
6. Step 6: Final answer
   x = 485.50