Finding the Third Proportional to 2,020 and 2,240

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020 : 2,240 = 2,240 : x
2. Step 2: Convert to fraction form
   2,020/2,240 = 2,240/x
3. Step 3: Cross multiply
   2,020x = 2,240 × 2,240
4. Step 4: Simplify right side
   2,020x = 5,017,600
5. Step 5: Solve for x
   x = 5,017,600/2,020
6. Step 6: Final answer
   x = 2,483.96