Finding the Third Proportional to 815,638 and 1,797,164

Step by Step Solution

1. Step 1: Write the proportion equation
   815,638 : 1,797,164 = 1,797,164 : x
2. Step 2: Convert to fraction form
   815,638/1,797,164 = 1,797,164/x
3. Step 3: Cross multiply
   815,638x = 1,797,164 × 1,797,164
4. Step 4: Simplify right side
   815,638x = 3,229,798,442,896
5. Step 5: Solve for x
   x = 3,229,798,442,896/815,638
6. Step 6: Final answer
   x = 3,959,843.02