Finding the Third Proportional to 1,379,360 and 2,140,768

Step by Step Solution

1. Step 1: Write the proportion equation
   1,379,360 : 2,140,768 = 2,140,768 : x
2. Step 2: Convert to fraction form
   1,379,360/2,140,768 = 2,140,768/x
3. Step 3: Cross multiply
   1,379,360x = 2,140,768 × 2,140,768
4. Step 4: Simplify right side
   1,379,360x = 4,582,887,629,824
5. Step 5: Solve for x
   x = 4,582,887,629,824/1,379,360
6. Step 6: Final answer
   x = 3,322,473.92