Finding the Third Proportional to 118.69 and 223.03

Step by Step Solution

1. Step 1: Write the proportion equation
   118.69 : 223.03 = 223.03 : x
2. Step 2: Convert to fraction form
   118.69/223.03 = 223.03/x
3. Step 3: Cross multiply
   118.69x = 223.03 × 223.03
4. Step 4: Simplify right side
   118.69x = 49,742.94
5. Step 5: Solve for x
   x = 49,742.94/118.69
6. Step 6: Final answer
   x = 419.11