Finding the Third Proportional to 404,469 and 881,328

Step by Step Solution

1. Step 1: Write the proportion equation
   404,469 : 881,328 = 881,328 : x
2. Step 2: Convert to fraction form
   404,469/881,328 = 881,328/x
3. Step 3: Cross multiply
   404,469x = 881,328 × 881,328
4. Step 4: Simplify right side
   404,469x = 776,739,043,584
5. Step 5: Solve for x
   x = 776,739,043,584/404,469
6. Step 6: Final answer
   x = 1,920,392.03