Finding the Third Proportional to 276,113.50 and 603,923

Step by Step Solution

1. Step 1: Write the proportion equation
   276,113.50 : 603,923 = 603,923 : x
2. Step 2: Convert to fraction form
   276,113.50/603,923 = 603,923/x
3. Step 3: Cross multiply
   276,113.50x = 603,923 × 603,923
4. Step 4: Simplify right side
   276,113.50x = 364,722,989,929
5. Step 5: Solve for x
   x = 364,722,989,929/276,113.50
6. Step 6: Final answer
   x = 1,320,916.91