Finding the Third Proportional to 815,373 and 1,729,404

Step by Step Solution

1. Step 1: Write the proportion equation
   815,373 : 1,729,404 = 1,729,404 : x
2. Step 2: Convert to fraction form
   815,373/1,729,404 = 1,729,404/x
3. Step 3: Cross multiply
   815,373x = 1,729,404 × 1,729,404
4. Step 4: Simplify right side
   815,373x = 2,990,838,195,216
5. Step 5: Solve for x
   x = 2,990,838,195,216/815,373
6. Step 6: Final answer
   x = 3,668,061.36