Finding the Third Proportional to 1,167,721 and 2,515,514

Step by Step Solution

1. Step 1: Write the proportion equation
   1,167,721 : 2,515,514 = 2,515,514 : x
2. Step 2: Convert to fraction form
   1,167,721/2,515,514 = 2,515,514/x
3. Step 3: Cross multiply
   1,167,721x = 2,515,514 × 2,515,514
4. Step 4: Simplify right side
   1,167,721x = 6,327,810,684,196
5. Step 5: Solve for x
   x = 6,327,810,684,196/1,167,721
6. Step 6: Final answer
   x = 5,418,940.56