Finding the Third Proportional to 123,042 and 192,759

Step by Step Solution

1. Step 1: Write the proportion equation
   123,042 : 192,759 = 192,759 : x
2. Step 2: Convert to fraction form
   123,042/192,759 = 192,759/x
3. Step 3: Cross multiply
   123,042x = 192,759 × 192,759
4. Step 4: Simplify right side
   123,042x = 37,156,032,081
5. Step 5: Solve for x
   x = 37,156,032,081/123,042
6. Step 6: Final answer
   x = 301,978.45