Finding the Third Proportional to 840,904 and 1,304,564

Step by Step Solution

1. Step 1: Write the proportion equation
   840,904 : 1,304,564 = 1,304,564 : x
2. Step 2: Convert to fraction form
   840,904/1,304,564 = 1,304,564/x
3. Step 3: Cross multiply
   840,904x = 1,304,564 × 1,304,564
4. Step 4: Simplify right side
   840,904x = 1,701,887,230,096
5. Step 5: Solve for x
   x = 1,701,887,230,096/840,904
6. Step 6: Final answer
   x = 2,023,878.15