Finding the Third Proportional to 1,042,638 and 2,435,913

Step by Step Solution

1. Step 1: Write the proportion equation
   1,042,638 : 2,435,913 = 2,435,913 : x
2. Step 2: Convert to fraction form
   1,042,638/2,435,913 = 2,435,913/x
3. Step 3: Cross multiply
   1,042,638x = 2,435,913 × 2,435,913
4. Step 4: Simplify right side
   1,042,638x = 5,933,672,143,569
5. Step 5: Solve for x
   x = 5,933,672,143,569/1,042,638
6. Step 6: Final answer
   x = 5,691,018.50