Finding the Third Proportional to 641,008 and 1,367,812

Step by Step Solution

1. Step 1: Write the proportion equation
   641,008 : 1,367,812 = 1,367,812 : x
2. Step 2: Convert to fraction form
   641,008/1,367,812 = 1,367,812/x
3. Step 3: Cross multiply
   641,008x = 1,367,812 × 1,367,812
4. Step 4: Simplify right side
   641,008x = 1,870,909,667,344
5. Step 5: Solve for x
   x = 1,870,909,667,344/641,008
6. Step 6: Final answer
   x = 2,918,699.40