Finding the Third Proportional to 404,240 and 880,197

Step by Step Solution

1. Step 1: Write the proportion equation
   404,240 : 880,197 = 880,197 : x
2. Step 2: Convert to fraction form
   404,240/880,197 = 880,197/x
3. Step 3: Cross multiply
   404,240x = 880,197 × 880,197
4. Step 4: Simplify right side
   404,240x = 774,746,758,809
5. Step 5: Solve for x
   x = 774,746,758,809/404,240
6. Step 6: Final answer
   x = 1,916,551.45