Finding the Third Proportional to 1,338,880 and 2,943,116

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338,880 : 2,943,116 = 2,943,116 : x
2. Step 2: Convert to fraction form
   1,338,880/2,943,116 = 2,943,116/x
3. Step 3: Cross multiply
   1,338,880x = 2,943,116 × 2,943,116
4. Step 4: Simplify right side
   1,338,880x = 8,661,931,789,456
5. Step 5: Solve for x
   x = 8,661,931,789,456/1,338,880
6. Step 6: Final answer
   x = 6,469,535.57