Finding the Third Proportional to 1,263,982 and 1,788,493

Step by Step Solution

1. Step 1: Write the proportion equation
   1,263,982 : 1,788,493 = 1,788,493 : x
2. Step 2: Convert to fraction form
   1,263,982/1,788,493 = 1,788,493/x
3. Step 3: Cross multiply
   1,263,982x = 1,788,493 × 1,788,493
4. Step 4: Simplify right side
   1,263,982x = 3,198,707,211,049
5. Step 5: Solve for x
   x = 3,198,707,211,049/1,263,982
6. Step 6: Final answer
   x = 2,530,658.83