Finding the Third Proportional to 404,246 and 880,210

Step by Step Solution

1. Step 1: Write the proportion equation
   404,246 : 880,210 = 880,210 : x
2. Step 2: Convert to fraction form
   404,246/880,210 = 880,210/x
3. Step 3: Cross multiply
   404,246x = 880,210 × 880,210
4. Step 4: Simplify right side
   404,246x = 774,769,644,100
5. Step 5: Solve for x
   x = 774,769,644,100/404,246
6. Step 6: Final answer
   x = 1,916,579.62