Finding the Third Proportional to 57,161 and 123,862

Step by Step Solution

1. Step 1: Write the proportion equation
   57,161 : 123,862 = 123,862 : x
2. Step 2: Convert to fraction form
   57,161/123,862 = 123,862/x
3. Step 3: Cross multiply
   57,161x = 123,862 × 123,862
4. Step 4: Simplify right side
   57,161x = 15,341,795,044
5. Step 5: Solve for x
   x = 15,341,795,044/57,161
6. Step 6: Final answer
   x = 268,396.20