Finding the Third Proportional to 1,287,997 and 1,892,612

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,997 : 1,892,612 = 1,892,612 : x
2. Step 2: Convert to fraction form
   1,287,997/1,892,612 = 1,892,612/x
3. Step 3: Cross multiply
   1,287,997x = 1,892,612 × 1,892,612
4. Step 4: Simplify right side
   1,287,997x = 3,581,980,182,544
5. Step 5: Solve for x
   x = 3,581,980,182,544/1,287,997
6. Step 6: Final answer
   x = 2,781,046.99