Finding the Third Proportional to 1,107,640 and 1,659,616

Step by Step Solution

1. Step 1: Write the proportion equation
   1,107,640 : 1,659,616 = 1,659,616 : x
2. Step 2: Convert to fraction form
   1,107,640/1,659,616 = 1,659,616/x
3. Step 3: Cross multiply
   1,107,640x = 1,659,616 × 1,659,616
4. Step 4: Simplify right side
   1,107,640x = 2,754,325,267,456
5. Step 5: Solve for x
   x = 2,754,325,267,456/1,107,640
6. Step 6: Final answer
   x = 2,486,661.07