Finding the Third Proportional to 2,887,221 and 4,036,542

Step by Step Solution

1. Step 1: Write the proportion equation
   2,887,221 : 4,036,542 = 4,036,542 : x
2. Step 2: Convert to fraction form
   2,887,221/4,036,542 = 4,036,542/x
3. Step 3: Cross multiply
   2,887,221x = 4,036,542 × 4,036,542
4. Step 4: Simplify right side
   2,887,221x = 16,293,671,317,764
5. Step 5: Solve for x
   x = 16,293,671,317,764/2,887,221
6. Step 6: Final answer
   x = 5,643,375.18