Finding the Third Proportional to 241.31 and 490.22

Step by Step Solution

1. Step 1: Write the proportion equation
   241.31 : 490.22 = 490.22 : x
2. Step 2: Convert to fraction form
   241.31/490.22 = 490.22/x
3. Step 3: Cross multiply
   241.31x = 490.22 × 490.22
4. Step 4: Simplify right side
   241.31x = 240,314.42
5. Step 5: Solve for x
   x = 240,314.42/241.31
6. Step 6: Final answer
   x = 995.86