Finding the Third Proportional to 1,282,389 and 1,993,587

Step by Step Solution

1. Step 1: Write the proportion equation
   1,282,389 : 1,993,587 = 1,993,587 : x
2. Step 2: Convert to fraction form
   1,282,389/1,993,587 = 1,993,587/x
3. Step 3: Cross multiply
   1,282,389x = 1,993,587 × 1,993,587
4. Step 4: Simplify right side
   1,282,389x = 3,974,389,126,569
5. Step 5: Solve for x
   x = 3,974,389,126,569/1,282,389
6. Step 6: Final answer
   x = 3,099,207.13