Finding the Third Proportional to 1,267,571 and 2,639,983

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267,571 : 2,639,983 = 2,639,983 : x
2. Step 2: Convert to fraction form
   1,267,571/2,639,983 = 2,639,983/x
3. Step 3: Cross multiply
   1,267,571x = 2,639,983 × 2,639,983
4. Step 4: Simplify right side
   1,267,571x = 6,969,510,240,289
5. Step 5: Solve for x
   x = 6,969,510,240,289/1,267,571
6. Step 6: Final answer
   x = 5,498,319.42