Finding the Third Proportional to 123,048 and 192,768

Step by Step Solution

1. Step 1: Write the proportion equation
   123,048 : 192,768 = 192,768 : x
2. Step 2: Convert to fraction form
   123,048/192,768 = 192,768/x
3. Step 3: Cross multiply
   123,048x = 192,768 × 192,768
4. Step 4: Simplify right side
   123,048x = 37,159,501,824
5. Step 5: Solve for x
   x = 37,159,501,824/123,048
6. Step 6: Final answer
   x = 301,991.92