Finding the Third Proportional to 389,767 and 854,014

Step by Step Solution

1. Step 1: Write the proportion equation
   389,767 : 854,014 = 854,014 : x
2. Step 2: Convert to fraction form
   389,767/854,014 = 854,014/x
3. Step 3: Cross multiply
   389,767x = 854,014 × 854,014
4. Step 4: Simplify right side
   389,767x = 729,339,912,196
5. Step 5: Solve for x
   x = 729,339,912,196/389,767
6. Step 6: Final answer
   x = 1,871,220.27