Finding the Third Proportional to 414,206 and 887,404

Step by Step Solution

1. Step 1: Write the proportion equation
   414,206 : 887,404 = 887,404 : x
2. Step 2: Convert to fraction form
   414,206/887,404 = 887,404/x
3. Step 3: Cross multiply
   414,206x = 887,404 × 887,404
4. Step 4: Simplify right side
   414,206x = 787,485,859,216
5. Step 5: Solve for x
   x = 787,485,859,216/414,206
6. Step 6: Final answer
   x = 1,901,193.75