Finding the Third Proportional to 1,267,442 and 2,818,260

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267,442 : 2,818,260 = 2,818,260 : x
2. Step 2: Convert to fraction form
   1,267,442/2,818,260 = 2,818,260/x
3. Step 3: Cross multiply
   1,267,442x = 2,818,260 × 2,818,260
4. Step 4: Simplify right side
   1,267,442x = 7,942,589,427,600
5. Step 5: Solve for x
   x = 7,942,589,427,600/1,267,442
6. Step 6: Final answer
   x = 6,266,629.50