Finding the Third Proportional to 865,802 and 1,179,471

Step by Step Solution

1. Step 1: Write the proportion equation
   865,802 : 1,179,471 = 1,179,471 : x
2. Step 2: Convert to fraction form
   865,802/1,179,471 = 1,179,471/x
3. Step 3: Cross multiply
   865,802x = 1,179,471 × 1,179,471
4. Step 4: Simplify right side
   865,802x = 1,391,151,839,841
5. Step 5: Solve for x
   x = 1,391,151,839,841/865,802
6. Step 6: Final answer
   x = 1,606,778.27