Finding the Third Proportional to 127,928 and 200,244

Step by Step Solution

1. Step 1: Write the proportion equation
   127,928 : 200,244 = 200,244 : x
2. Step 2: Convert to fraction form
   127,928/200,244 = 200,244/x
3. Step 3: Cross multiply
   127,928x = 200,244 × 200,244
4. Step 4: Simplify right side
   127,928x = 40,097,659,536
5. Step 5: Solve for x
   x = 40,097,659,536/127,928
6. Step 6: Final answer
   x = 313,439.27