Finding the Third Proportional to 57,571 and 123,890

Step by Step Solution

1. Step 1: Write the proportion equation
   57,571 : 123,890 = 123,890 : x
2. Step 2: Convert to fraction form
   57,571/123,890 = 123,890/x
3. Step 3: Cross multiply
   57,571x = 123,890 × 123,890
4. Step 4: Simplify right side
   57,571x = 15,348,732,100
5. Step 5: Solve for x
   x = 15,348,732,100/57,571
6. Step 6: Final answer
   x = 266,605.27