Finding the Third Proportional to 4,458,698 and 6,831,978

Step by Step Solution

1. Step 1: Write the proportion equation
   4,458,698 : 6,831,978 = 6,831,978 : x
2. Step 2: Convert to fraction form
   4,458,698/6,831,978 = 6,831,978/x
3. Step 3: Cross multiply
   4,458,698x = 6,831,978 × 6,831,978
4. Step 4: Simplify right side
   4,458,698x = 46,675,923,392,484
5. Step 5: Solve for x
   x = 46,675,923,392,484/4,458,698
6. Step 6: Final answer
   x = 10,468,509.73