Finding the Third Proportional to 2,648,990 and 4,100,817

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648,990 : 4,100,817 = 4,100,817 : x
2. Step 2: Convert to fraction form
   2,648,990/4,100,817 = 4,100,817/x
3. Step 3: Cross multiply
   2,648,990x = 4,100,817 × 4,100,817
4. Step 4: Simplify right side
   2,648,990x = 16,816,700,067,489
5. Step 5: Solve for x
   x = 16,816,700,067,489/2,648,990
6. Step 6: Final answer
   x = 6,348,344.11