Finding the Third Proportional to 1,408,698 and 1,887,192

Step by Step Solution

1. Step 1: Write the proportion equation
   1,408,698 : 1,887,192 = 1,887,192 : x
2. Step 2: Convert to fraction form
   1,408,698/1,887,192 = 1,887,192/x
3. Step 3: Cross multiply
   1,408,698x = 1,887,192 × 1,887,192
4. Step 4: Simplify right side
   1,408,698x = 3,561,493,644,864
5. Step 5: Solve for x
   x = 3,561,493,644,864/1,408,698
6. Step 6: Final answer
   x = 2,528,216.58