Finding the Third Proportional to 1,206,869 and 1,789,413

Step by Step Solution

1. Step 1: Write the proportion equation
   1,206,869 : 1,789,413 = 1,789,413 : x
2. Step 2: Convert to fraction form
   1,206,869/1,789,413 = 1,789,413/x
3. Step 3: Cross multiply
   1,206,869x = 1,789,413 × 1,789,413
4. Step 4: Simplify right side
   1,206,869x = 3,201,998,884,569
5. Step 5: Solve for x
   x = 3,201,998,884,569/1,206,869
6. Step 6: Final answer
   x = 2,653,145.36