Finding the Third Proportional to 1,818,639 and 2,647,998

Step by Step Solution

1. Step 1: Write the proportion equation
   1,818,639 : 2,647,998 = 2,647,998 : x
2. Step 2: Convert to fraction form
   1,818,639/2,647,998 = 2,647,998/x
3. Step 3: Cross multiply
   1,818,639x = 2,647,998 × 2,647,998
4. Step 4: Simplify right side
   1,818,639x = 7,011,893,408,004
5. Step 5: Solve for x
   x = 7,011,893,408,004/1,818,639
6. Step 6: Final answer
   x = 3,855,571.89