Finding the Third Proportional to 1,977,816 and 4,235,568

Step by Step Solution

1. Step 1: Write the proportion equation
   1,977,816 : 4,235,568 = 4,235,568 : x
2. Step 2: Convert to fraction form
   1,977,816/4,235,568 = 4,235,568/x
3. Step 3: Cross multiply
   1,977,816x = 4,235,568 × 4,235,568
4. Step 4: Simplify right side
   1,977,816x = 17,940,036,282,624
5. Step 5: Solve for x
   x = 17,940,036,282,624/1,977,816
6. Step 6: Final answer
   x = 9,070,629.56