Finding the Third Proportional to 208,018 and 425,892

Step by Step Solution

1. Step 1: Write the proportion equation
   208,018 : 425,892 = 425,892 : x
2. Step 2: Convert to fraction form
   208,018/425,892 = 425,892/x
3. Step 3: Cross multiply
   208,018x = 425,892 × 425,892
4. Step 4: Simplify right side
   208,018x = 181,383,995,664
5. Step 5: Solve for x
   x = 181,383,995,664/208,018
6. Step 6: Final answer
   x = 871,962.98