Finding the Third Proportional to 276,650 and 563,443

Step by Step Solution

1. Step 1: Write the proportion equation
   276,650 : 563,443 = 563,443 : x
2. Step 2: Convert to fraction form
   276,650/563,443 = 563,443/x
3. Step 3: Cross multiply
   276,650x = 563,443 × 563,443
4. Step 4: Simplify right side
   276,650x = 317,468,014,249
5. Step 5: Solve for x
   x = 317,468,014,249/276,650
6. Step 6: Final answer
   x = 1,147,543.88