Finding the Third Proportional to 641,011 and 1,367,818

Step by Step Solution

1. Step 1: Write the proportion equation
   641,011 : 1,367,818 = 1,367,818 : x
2. Step 2: Convert to fraction form
   641,011/1,367,818 = 1,367,818/x
3. Step 3: Cross multiply
   641,011x = 1,367,818 × 1,367,818
4. Step 4: Simplify right side
   641,011x = 1,870,926,081,124
5. Step 5: Solve for x
   x = 1,870,926,081,124/641,011
6. Step 6: Final answer
   x = 2,918,711.35