Finding the Third Proportional to 1,335,976 and 2,718,616

Step by Step Solution

1. Step 1: Write the proportion equation
   1,335,976 : 2,718,616 = 2,718,616 : x
2. Step 2: Convert to fraction form
   1,335,976/2,718,616 = 2,718,616/x
3. Step 3: Cross multiply
   1,335,976x = 2,718,616 × 2,718,616
4. Step 4: Simplify right side
   1,335,976x = 7,390,872,955,456
5. Step 5: Solve for x
   x = 7,390,872,955,456/1,335,976
6. Step 6: Final answer
   x = 5,532,189.92