Finding the Third Proportional to 276,829.50 and 603,687

Step by Step Solution

1. Step 1: Write the proportion equation
   276,829.50 : 603,687 = 603,687 : x
2. Step 2: Convert to fraction form
   276,829.50/603,687 = 603,687/x
3. Step 3: Cross multiply
   276,829.50x = 603,687 × 603,687
4. Step 4: Simplify right side
   276,829.50x = 364,437,993,969
5. Step 5: Solve for x
   x = 364,437,993,969/276,829.50
6. Step 6: Final answer
   x = 1,316,470.95