Finding the Third Proportional to 815,067 and 1,787,598

Step by Step Solution

1. Step 1: Write the proportion equation
   815,067 : 1,787,598 = 1,787,598 : x
2. Step 2: Convert to fraction form
   815,067/1,787,598 = 1,787,598/x
3. Step 3: Cross multiply
   815,067x = 1,787,598 × 1,787,598
4. Step 4: Simplify right side
   815,067x = 3,195,506,609,604
5. Step 5: Solve for x
   x = 3,195,506,609,604/815,067
6. Step 6: Final answer
   x = 3,920,544.70