Finding the Third Proportional to 815,628 and 1,797,144

Step by Step Solution

1. Step 1: Write the proportion equation
   815,628 : 1,797,144 = 1,797,144 : x
2. Step 2: Convert to fraction form
   815,628/1,797,144 = 1,797,144/x
3. Step 3: Cross multiply
   815,628x = 1,797,144 × 1,797,144
4. Step 4: Simplify right side
   815,628x = 3,229,726,556,736
5. Step 5: Solve for x
   x = 3,229,726,556,736/815,628
6. Step 6: Final answer
   x = 3,959,803.44