Finding the Third Proportional to 655,456 and 897,036

Step by Step Solution

1. Step 1: Write the proportion equation
   655,456 : 897,036 = 897,036 : x
2. Step 2: Convert to fraction form
   655,456/897,036 = 897,036/x
3. Step 3: Cross multiply
   655,456x = 897,036 × 897,036
4. Step 4: Simplify right side
   655,456x = 804,673,585,296
5. Step 5: Solve for x
   x = 804,673,585,296/655,456
6. Step 6: Final answer
   x = 1,227,654.62