Finding the Third Proportional to 3,138,686 and 4,850,004

Step by Step Solution

1. Step 1: Write the proportion equation
   3,138,686 : 4,850,004 = 4,850,004 : x
2. Step 2: Convert to fraction form
   3,138,686/4,850,004 = 4,850,004/x
3. Step 3: Cross multiply
   3,138,686x = 4,850,004 × 4,850,004
4. Step 4: Simplify right side
   3,138,686x = 23,522,538,800,016
5. Step 5: Solve for x
   x = 23,522,538,800,016/3,138,686
6. Step 6: Final answer
   x = 7,494,390.58