Finding the Third Proportional to 57,379 and 123,059

Step by Step Solution

1. Step 1: Write the proportion equation
   57,379 : 123,059 = 123,059 : x
2. Step 2: Convert to fraction form
   57,379/123,059 = 123,059/x
3. Step 3: Cross multiply
   57,379x = 123,059 × 123,059
4. Step 4: Simplify right side
   57,379x = 15,143,517,481
5. Step 5: Solve for x
   x = 15,143,517,481/57,379
6. Step 6: Final answer
   x = 263,920.90