Finding the Third Proportional to 1,282,408 and 1,993,616

Step by Step Solution

1. Step 1: Write the proportion equation
   1,282,408 : 1,993,616 = 1,993,616 : x
2. Step 2: Convert to fraction form
   1,282,408/1,993,616 = 1,993,616/x
3. Step 3: Cross multiply
   1,282,408x = 1,993,616 × 1,993,616
4. Step 4: Simplify right side
   1,282,408x = 3,974,504,755,456
5. Step 5: Solve for x
   x = 3,974,504,755,456/1,282,408
6. Step 6: Final answer
   x = 3,099,251.37