Finding the Third Proportional to 58,110 and 123,198

Step by Step Solution

1. Step 1: Write the proportion equation
   58,110 : 123,198 = 123,198 : x
2. Step 2: Convert to fraction form
   58,110/123,198 = 123,198/x
3. Step 3: Cross multiply
   58,110x = 123,198 × 123,198
4. Step 4: Simplify right side
   58,110x = 15,177,747,204
5. Step 5: Solve for x
   x = 15,177,747,204/58,110
6. Step 6: Final answer
   x = 261,189.94