Finding the Third Proportional to 1,022.91 and 2,239.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,022.91 : 2,239.88 = 2,239.88 : x
2. Step 2: Convert to fraction form
   1,022.91/2,239.88 = 2,239.88/x
3. Step 3: Cross multiply
   1,022.91x = 2,239.88 × 2,239.88
4. Step 4: Simplify right side
   1,022.91x = 5,017,040.02
5. Step 5: Solve for x
   x = 5,017,040.02/1,022.91
6. Step 6: Final answer
   x = 4,904.69