Finding the Third Proportional to 1,836,320 and 3,977,568

Step by Step Solution

1. Step 1: Write the proportion equation
   1,836,320 : 3,977,568 = 3,977,568 : x
2. Step 2: Convert to fraction form
   1,836,320/3,977,568 = 3,977,568/x
3. Step 3: Cross multiply
   1,836,320x = 3,977,568 × 3,977,568
4. Step 4: Simplify right side
   1,836,320x = 15,821,047,194,624
5. Step 5: Solve for x
   x = 15,821,047,194,624/1,836,320
6. Step 6: Final answer
   x = 8,615,626.47