Finding the Third Proportional to 1,265,782 and 2,578,562

Step by Step Solution

1. Step 1: Write the proportion equation
   1,265,782 : 2,578,562 = 2,578,562 : x
2. Step 2: Convert to fraction form
   1,265,782/2,578,562 = 2,578,562/x
3. Step 3: Cross multiply
   1,265,782x = 2,578,562 × 2,578,562
4. Step 4: Simplify right side
   1,265,782x = 6,648,981,987,844
5. Step 5: Solve for x
   x = 6,648,981,987,844/1,265,782
6. Step 6: Final answer
   x = 5,252,865.02