Finding the Third Proportional to 404,772 and 891,042

Step by Step Solution

1. Step 1: Write the proportion equation
   404,772 : 891,042 = 891,042 : x
2. Step 2: Convert to fraction form
   404,772/891,042 = 891,042/x
3. Step 3: Cross multiply
   404,772x = 891,042 × 891,042
4. Step 4: Simplify right side
   404,772x = 793,955,845,764
5. Step 5: Solve for x
   x = 793,955,845,764/404,772
6. Step 6: Final answer
   x = 1,961,489.05