Finding the Third Proportional to 3,478,980 and 5,534,694

Step by Step Solution

1. Step 1: Write the proportion equation
   3,478,980 : 5,534,694 = 5,534,694 : x
2. Step 2: Convert to fraction form
   3,478,980/5,534,694 = 5,534,694/x
3. Step 3: Cross multiply
   3,478,980x = 5,534,694 × 5,534,694
4. Step 4: Simplify right side
   3,478,980x = 30,632,837,673,636
5. Step 5: Solve for x
   x = 30,632,837,673,636/3,478,980
6. Step 6: Final answer
   x = 8,805,120.37