Finding the Third Proportional to 57,571 and 123,891

Step by Step Solution

1. Step 1: Write the proportion equation
   57,571 : 123,891 = 123,891 : x
2. Step 2: Convert to fraction form
   57,571/123,891 = 123,891/x
3. Step 3: Cross multiply
   57,571x = 123,891 × 123,891
4. Step 4: Simplify right side
   57,571x = 15,348,979,881
5. Step 5: Solve for x
   x = 15,348,979,881/57,571
6. Step 6: Final answer
   x = 266,609.58