Finding the Third Proportional to 158,128.50 and 244,581.75

Step by Step Solution

1. Step 1: Write the proportion equation
   158,128.50 : 244,581.75 = 244,581.75 : x
2. Step 2: Convert to fraction form
   158,128.50/244,581.75 = 244,581.75/x
3. Step 3: Cross multiply
   158,128.50x = 244,581.75 × 244,581.75
4. Step 4: Simplify right side
   158,128.50x = 59,820,232,433.06
5. Step 5: Solve for x
   x = 59,820,232,433.06/158,128.50
6. Step 6: Final answer
   x = 378,301.40