Finding the Third Proportional to 1,287,756 and 2,797,130

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,756 : 2,797,130 = 2,797,130 : x
2. Step 2: Convert to fraction form
   1,287,756/2,797,130 = 2,797,130/x
3. Step 3: Cross multiply
   1,287,756x = 2,797,130 × 2,797,130
4. Step 4: Simplify right side
   1,287,756x = 7,823,936,236,900
5. Step 5: Solve for x
   x = 7,823,936,236,900/1,287,756
6. Step 6: Final answer
   x = 6,075,635.63