Finding the Third Proportional to 3,606,628 and 5,398,638

Step by Step Solution

1. Step 1: Write the proportion equation
   3,606,628 : 5,398,638 = 5,398,638 : x
2. Step 2: Convert to fraction form
   3,606,628/5,398,638 = 5,398,638/x
3. Step 3: Cross multiply
   3,606,628x = 5,398,638 × 5,398,638
4. Step 4: Simplify right side
   3,606,628x = 29,145,292,255,044
5. Step 5: Solve for x
   x = 29,145,292,255,044/3,606,628
6. Step 6: Final answer
   x = 8,081,036.43