Finding the Third Proportional to 124,139.25 and 192,568.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,139.25 : 192,568.50 = 192,568.50 : x
2. Step 2: Convert to fraction form
   124,139.25/192,568.50 = 192,568.50/x
3. Step 3: Cross multiply
   124,139.25x = 192,568.50 × 192,568.50
4. Step 4: Simplify right side
   124,139.25x = 37,082,627,192.25
5. Step 5: Solve for x
   x = 37,082,627,192.25/124,139.25
6. Step 6: Final answer
   x = 298,717.99