Finding the Third Proportional to 276,593 and 603,452.50

Step by Step Solution

1. Step 1: Write the proportion equation
   276,593 : 603,452.50 = 603,452.50 : x
2. Step 2: Convert to fraction form
   276,593/603,452.50 = 603,452.50/x
3. Step 3: Cross multiply
   276,593x = 603,452.50 × 603,452.50
4. Step 4: Simplify right side
   276,593x = 364,154,919,756.25
5. Step 5: Solve for x
   x = 364,154,919,756.25/276,593
6. Step 6: Final answer
   x = 1,316,573.16