Finding the Third Proportional to 639,008 and 1,367,782

Step by Step Solution

1. Step 1: Write the proportion equation
   639,008 : 1,367,782 = 1,367,782 : x
2. Step 2: Convert to fraction form
   639,008/1,367,782 = 1,367,782/x
3. Step 3: Cross multiply
   639,008x = 1,367,782 × 1,367,782
4. Step 4: Simplify right side
   639,008x = 1,870,827,599,524
5. Step 5: Solve for x
   x = 1,870,827,599,524/639,008
6. Step 6: Final answer
   x = 2,927,706.07