Finding the Third Proportional to 404,742 and 888,216

Step by Step Solution

1. Step 1: Write the proportion equation
   404,742 : 888,216 = 888,216 : x
2. Step 2: Convert to fraction form
   404,742/888,216 = 888,216/x
3. Step 3: Cross multiply
   404,742x = 888,216 × 888,216
4. Step 4: Simplify right side
   404,742x = 788,927,662,656
5. Step 5: Solve for x
   x = 788,927,662,656/404,742
6. Step 6: Final answer
   x = 1,949,211.26