Finding the Third Proportional to 564,145 and 1,231,170

Step by Step Solution

1. Step 1: Write the proportion equation
   564,145 : 1,231,170 = 1,231,170 : x
2. Step 2: Convert to fraction form
   564,145/1,231,170 = 1,231,170/x
3. Step 3: Cross multiply
   564,145x = 1,231,170 × 1,231,170
4. Step 4: Simplify right side
   564,145x = 1,515,779,568,900
5. Step 5: Solve for x
   x = 1,515,779,568,900/564,145
6. Step 6: Final answer
   x = 2,686,861.66