Finding the Third Proportional to 3,579,009 and 5,420,610

Step by Step Solution

1. Step 1: Write the proportion equation
   3,579,009 : 5,420,610 = 5,420,610 : x
2. Step 2: Convert to fraction form
   3,579,009/5,420,610 = 5,420,610/x
3. Step 3: Cross multiply
   3,579,009x = 5,420,610 × 5,420,610
4. Step 4: Simplify right side
   3,579,009x = 29,383,012,772,100
5. Step 5: Solve for x
   x = 29,383,012,772,100/3,579,009
6. Step 6: Final answer
   x = 8,209,818.07