Finding the Third Proportional to 3,118,698 and 4,665,105

Step by Step Solution

1. Step 1: Write the proportion equation
   3,118,698 : 4,665,105 = 4,665,105 : x
2. Step 2: Convert to fraction form
   3,118,698/4,665,105 = 4,665,105/x
3. Step 3: Cross multiply
   3,118,698x = 4,665,105 × 4,665,105
4. Step 4: Simplify right side
   3,118,698x = 21,763,204,661,025
5. Step 5: Solve for x
   x = 21,763,204,661,025/3,118,698
6. Step 6: Final answer
   x = 6,978,298.21