Finding the Third Proportional to 1,280,486 and 2,743,514

Step by Step Solution

1. Step 1: Write the proportion equation
   1,280,486 : 2,743,514 = 2,743,514 : x
2. Step 2: Convert to fraction form
   1,280,486/2,743,514 = 2,743,514/x
3. Step 3: Cross multiply
   1,280,486x = 2,743,514 × 2,743,514
4. Step 4: Simplify right side
   1,280,486x = 7,526,869,068,196
5. Step 5: Solve for x
   x = 7,526,869,068,196/1,280,486
6. Step 6: Final answer
   x = 5,878,134.61