Finding the Third Proportional to 1,287,891 and 2,797,200

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,891 : 2,797,200 = 2,797,200 : x
2. Step 2: Convert to fraction form
   1,287,891/2,797,200 = 2,797,200/x
3. Step 3: Cross multiply
   1,287,891x = 2,797,200 × 2,797,200
4. Step 4: Simplify right side
   1,287,891x = 7,824,327,840,000
5. Step 5: Solve for x
   x = 7,824,327,840,000/1,287,891
6. Step 6: Final answer
   x = 6,075,302.83