Finding the Third Proportional to 603,056 and 819,003

Step by Step Solution

1. Step 1: Write the proportion equation
   603,056 : 819,003 = 819,003 : x
2. Step 2: Convert to fraction form
   603,056/819,003 = 819,003/x
3. Step 3: Cross multiply
   603,056x = 819,003 × 819,003
4. Step 4: Simplify right side
   603,056x = 670,765,914,009
5. Step 5: Solve for x
   x = 670,765,914,009/603,056
6. Step 6: Final answer
   x = 1,112,277.99