Finding the Third Proportional to 132,928 and 204,320

Step by Step Solution

1. Step 1: Write the proportion equation
   132,928 : 204,320 = 204,320 : x
2. Step 2: Convert to fraction form
   132,928/204,320 = 204,320/x
3. Step 3: Cross multiply
   132,928x = 204,320 × 204,320
4. Step 4: Simplify right side
   132,928x = 41,746,662,400
5. Step 5: Solve for x
   x = 41,746,662,400/132,928
6. Step 6: Final answer
   x = 314,054.69