Finding the Third Proportional to 3,439,660 and 4,810,866

Step by Step Solution

1. Step 1: Write the proportion equation
   3,439,660 : 4,810,866 = 4,810,866 : x
2. Step 2: Convert to fraction form
   3,439,660/4,810,866 = 4,810,866/x
3. Step 3: Cross multiply
   3,439,660x = 4,810,866 × 4,810,866
4. Step 4: Simplify right side
   3,439,660x = 23,144,431,669,956
5. Step 5: Solve for x
   x = 23,144,431,669,956/3,439,660
6. Step 6: Final answer
   x = 6,728,697.51