Finding the Third Proportional to 131,940 and 204,360

Step by Step Solution

1. Step 1: Write the proportion equation
   131,940 : 204,360 = 204,360 : x
2. Step 2: Convert to fraction form
   131,940/204,360 = 204,360/x
3. Step 3: Cross multiply
   131,940x = 204,360 × 204,360
4. Step 4: Simplify right side
   131,940x = 41,763,009,600
5. Step 5: Solve for x
   x = 41,763,009,600/131,940
6. Step 6: Final answer
   x = 316,530.31