Finding the Third Proportional to 1,269,028 and 1,868,454

Step by Step Solution

1. Step 1: Write the proportion equation
   1,269,028 : 1,868,454 = 1,868,454 : x
2. Step 2: Convert to fraction form
   1,269,028/1,868,454 = 1,868,454/x
3. Step 3: Cross multiply
   1,269,028x = 1,868,454 × 1,868,454
4. Step 4: Simplify right side
   1,269,028x = 3,491,120,350,116
5. Step 5: Solve for x
   x = 3,491,120,350,116/1,269,028
6. Step 6: Final answer
   x = 2,751,019.17