Finding the Third Proportional to 579,816 and 887,016

Step by Step Solution

1. Step 1: Write the proportion equation
   579,816 : 887,016 = 887,016 : x
2. Step 2: Convert to fraction form
   579,816/887,016 = 887,016/x
3. Step 3: Cross multiply
   579,816x = 887,016 × 887,016
4. Step 4: Simplify right side
   579,816x = 786,797,384,256
5. Step 5: Solve for x
   x = 786,797,384,256/579,816
6. Step 6: Final answer
   x = 1,356,977.70