Finding the Third Proportional to 282,123 and 603,065.25

Step by Step Solution

1. Step 1: Write the proportion equation
   282,123 : 603,065.25 = 603,065.25 : x
2. Step 2: Convert to fraction form
   282,123/603,065.25 = 603,065.25/x
3. Step 3: Cross multiply
   282,123x = 603,065.25 × 603,065.25
4. Step 4: Simplify right side
   282,123x = 363,687,695,757.56
5. Step 5: Solve for x
   x = 363,687,695,757.56/282,123
6. Step 6: Final answer
   x = 1,289,110.41