Finding the Third Proportional to 1,315,236 and 2,873,992

Step by Step Solution

1. Step 1: Write the proportion equation
   1,315,236 : 2,873,992 = 2,873,992 : x
2. Step 2: Convert to fraction form
   1,315,236/2,873,992 = 2,873,992/x
3. Step 3: Cross multiply
   1,315,236x = 2,873,992 × 2,873,992
4. Step 4: Simplify right side
   1,315,236x = 8,259,830,016,064
5. Step 5: Solve for x
   x = 8,259,830,016,064/1,315,236
6. Step 6: Final answer
   x = 6,280,112.48