Finding the Third Proportional to 3,481,170 and 5,321,805

Step by Step Solution

1. Step 1: Write the proportion equation
   3,481,170 : 5,321,805 = 5,321,805 : x
2. Step 2: Convert to fraction form
   3,481,170/5,321,805 = 5,321,805/x
3. Step 3: Cross multiply
   3,481,170x = 5,321,805 × 5,321,805
4. Step 4: Simplify right side
   3,481,170x = 28,321,608,458,025
5. Step 5: Solve for x
   x = 28,321,608,458,025/3,481,170
6. Step 6: Final answer
   x = 8,135,657.97