Finding the Third Proportional to 57,131 and 123,793

Step by Step Solution

1. Step 1: Write the proportion equation
   57,131 : 123,793 = 123,793 : x
2. Step 2: Convert to fraction form
   57,131/123,793 = 123,793/x
3. Step 3: Cross multiply
   57,131x = 123,793 × 123,793
4. Step 4: Simplify right side
   57,131x = 15,324,706,849
5. Step 5: Solve for x
   x = 15,324,706,849/57,131
6. Step 6: Final answer
   x = 268,238.03