Finding the Third Proportional to 401,836 and 885,446

Step by Step Solution

1. Step 1: Write the proportion equation
   401,836 : 885,446 = 885,446 : x
2. Step 2: Convert to fraction form
   401,836/885,446 = 885,446/x
3. Step 3: Cross multiply
   401,836x = 885,446 × 885,446
4. Step 4: Simplify right side
   401,836x = 784,014,618,916
5. Step 5: Solve for x
   x = 784,014,618,916/401,836
6. Step 6: Final answer
   x = 1,951,081.09