Finding the Third Proportional to 603,057 and 819,004

Step by Step Solution

1. Step 1: Write the proportion equation
   603,057 : 819,004 = 819,004 : x
2. Step 2: Convert to fraction form
   603,057/819,004 = 819,004/x
3. Step 3: Cross multiply
   603,057x = 819,004 × 819,004
4. Step 4: Simplify right side
   603,057x = 670,767,552,016
5. Step 5: Solve for x
   x = 670,767,552,016/603,057
6. Step 6: Final answer
   x = 1,112,278.86