Finding the Third Proportional to 1,251,514 and 2,561,348

Step by Step Solution

1. Step 1: Write the proportion equation
   1,251,514 : 2,561,348 = 2,561,348 : x
2. Step 2: Convert to fraction form
   1,251,514/2,561,348 = 2,561,348/x
3. Step 3: Cross multiply
   1,251,514x = 2,561,348 × 2,561,348
4. Step 4: Simplify right side
   1,251,514x = 6,560,503,577,104
5. Step 5: Solve for x
   x = 6,560,503,577,104/1,251,514
6. Step 6: Final answer
   x = 5,242,053.69