Finding the Third Proportional to 1,285,942 and 2,749,040

Step by Step Solution

1. Step 1: Write the proportion equation
   1,285,942 : 2,749,040 = 2,749,040 : x
2. Step 2: Convert to fraction form
   1,285,942/2,749,040 = 2,749,040/x
3. Step 3: Cross multiply
   1,285,942x = 2,749,040 × 2,749,040
4. Step 4: Simplify right side
   1,285,942x = 7,557,220,921,600
5. Step 5: Solve for x
   x = 7,557,220,921,600/1,285,942
6. Step 6: Final answer
   x = 5,876,797.65