Finding the Third Proportional to 276,538.50 and 585,477

Step by Step Solution

1. Step 1: Write the proportion equation
   276,538.50 : 585,477 = 585,477 : x
2. Step 2: Convert to fraction form
   276,538.50/585,477 = 585,477/x
3. Step 3: Cross multiply
   276,538.50x = 585,477 × 585,477
4. Step 4: Simplify right side
   276,538.50x = 342,783,317,529
5. Step 5: Solve for x
   x = 342,783,317,529/276,538.50
6. Step 6: Final answer
   x = 1,239,550.07