Finding the Third Proportional to 639,002.25 and 1,367,768.25

Step by Step Solution

1. Step 1: Write the proportion equation
   639,002.25 : 1,367,768.25 = 1,367,768.25 : x
2. Step 2: Convert to fraction form
   639,002.25/1,367,768.25 = 1,367,768.25/x
3. Step 3: Cross multiply
   639,002.25x = 1,367,768.25 × 1,367,768.25
4. Step 4: Simplify right side
   639,002.25x = 1,870,789,985,708.06
5. Step 5: Solve for x
   x = 1,870,789,985,708.06/639,002.25
6. Step 6: Final answer
   x = 2,927,673.55