Finding the Third Proportional to 581,568 and 1,280,208

Step by Step Solution

1. Step 1: Write the proportion equation
   581,568 : 1,280,208 = 1,280,208 : x
2. Step 2: Convert to fraction form
   581,568/1,280,208 = 1,280,208/x
3. Step 3: Cross multiply
   581,568x = 1,280,208 × 1,280,208
4. Step 4: Simplify right side
   581,568x = 1,638,932,523,264
5. Step 5: Solve for x
   x = 1,638,932,523,264/581,568
6. Step 6: Final answer
   x = 2,818,127.07