Finding the Third Proportional to 223.88 and 468.28

Step by Step Solution

1. Step 1: Write the proportion equation
   223.88 : 468.28 = 468.28 : x
2. Step 2: Convert to fraction form
   223.88/468.28 = 468.28/x
3. Step 3: Cross multiply
   223.88x = 468.28 × 468.28
4. Step 4: Simplify right side
   223.88x = 219,287.33
5. Step 5: Solve for x
   x = 219,287.33/223.88
6. Step 6: Final answer
   x = 979.51