Finding the Third Proportional to 559,682 and 887,662

Step by Step Solution

1. Step 1: Write the proportion equation
   559,682 : 887,662 = 887,662 : x
2. Step 2: Convert to fraction form
   559,682/887,662 = 887,662/x
3. Step 3: Cross multiply
   559,682x = 887,662 × 887,662
4. Step 4: Simplify right side
   559,682x = 787,943,826,244
5. Step 5: Solve for x
   x = 787,943,826,244/559,682
6. Step 6: Final answer
   x = 1,407,842