Finding the Third Proportional to 1,141,869 and 2,509,789

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141,869 : 2,509,789 = 2,509,789 : x
2. Step 2: Convert to fraction form
   1,141,869/2,509,789 = 2,509,789/x
3. Step 3: Cross multiply
   1,141,869x = 2,509,789 × 2,509,789
4. Step 4: Simplify right side
   1,141,869x = 6,299,040,824,521
5. Step 5: Solve for x
   x = 6,299,040,824,521/1,141,869
6. Step 6: Final answer
   x = 5,516,430.37