Finding the Third Proportional to 570,891 and 1,243,491

Step by Step Solution

1. Step 1: Write the proportion equation
   570,891 : 1,243,491 = 1,243,491 : x
2. Step 2: Convert to fraction form
   570,891/1,243,491 = 1,243,491/x
3. Step 3: Cross multiply
   570,891x = 1,243,491 × 1,243,491
4. Step 4: Simplify right side
   570,891x = 1,546,269,867,081
5. Step 5: Solve for x
   x = 1,546,269,867,081/570,891
6. Step 6: Final answer
   x = 2,708,520.31