Finding the Third Proportional to 1,304,628 and 1,990,684

Step by Step Solution

1. Step 1: Write the proportion equation
   1,304,628 : 1,990,684 = 1,990,684 : x
2. Step 2: Convert to fraction form
   1,304,628/1,990,684 = 1,990,684/x
3. Step 3: Cross multiply
   1,304,628x = 1,990,684 × 1,990,684
4. Step 4: Simplify right side
   1,304,628x = 3,962,822,787,856
5. Step 5: Solve for x
   x = 3,962,822,787,856/1,304,628
6. Step 6: Final answer
   x = 3,037,511.68