Finding the Third Proportional to 192,109 and 308,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   192,109 : 308,667.50 = 308,667.50 : x
2. Step 2: Convert to fraction form
   192,109/308,667.50 = 308,667.50/x
3. Step 3: Cross multiply
   192,109x = 308,667.50 × 308,667.50
4. Step 4: Simplify right side
   192,109x = 95,275,625,556.25
5. Step 5: Solve for x
   x = 95,275,625,556.25/192,109
6. Step 6: Final answer
   x = 495,945.66