Finding the Third Proportional to 127,178.75 and 196,743.50

Step by Step Solution

1. Step 1: Write the proportion equation
   127,178.75 : 196,743.50 = 196,743.50 : x
2. Step 2: Convert to fraction form
   127,178.75/196,743.50 = 196,743.50/x
3. Step 3: Cross multiply
   127,178.75x = 196,743.50 × 196,743.50
4. Step 4: Simplify right side
   127,178.75x = 38,708,004,792.25
5. Step 5: Solve for x
   x = 38,708,004,792.25/127,178.75
6. Step 6: Final answer
   x = 304,359.06