Finding the Third Proportional to 1,246,643 and 2,729,748

Step by Step Solution

1. Step 1: Write the proportion equation
   1,246,643 : 2,729,748 = 2,729,748 : x
2. Step 2: Convert to fraction form
   1,246,643/2,729,748 = 2,729,748/x
3. Step 3: Cross multiply
   1,246,643x = 2,729,748 × 2,729,748
4. Step 4: Simplify right side
   1,246,643x = 7,451,524,143,504
5. Step 5: Solve for x
   x = 7,451,524,143,504/1,246,643
6. Step 6: Final answer
   x = 5,977,271.88