Finding the Third Proportional to 1,384,623 and 2,990,682

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384,623 : 2,990,682 = 2,990,682 : x
2. Step 2: Convert to fraction form
   1,384,623/2,990,682 = 2,990,682/x
3. Step 3: Cross multiply
   1,384,623x = 2,990,682 × 2,990,682
4. Step 4: Simplify right side
   1,384,623x = 8,944,178,825,124
5. Step 5: Solve for x
   x = 8,944,178,825,124/1,384,623
6. Step 6: Final answer
   x = 6,459,649.18