Finding the Third Proportional to 557,568 and 1,227,672

Step by Step Solution

1. Step 1: Write the proportion equation
   557,568 : 1,227,672 = 1,227,672 : x
2. Step 2: Convert to fraction form
   557,568/1,227,672 = 1,227,672/x
3. Step 3: Cross multiply
   557,568x = 1,227,672 × 1,227,672
4. Step 4: Simplify right side
   557,568x = 1,507,178,539,584
5. Step 5: Solve for x
   x = 1,507,178,539,584/557,568
6. Step 6: Final answer
   x = 2,703,129.55