Finding the Third Proportional to 131,821.50 and 204,286

Step by Step Solution

1. Step 1: Write the proportion equation
   131,821.50 : 204,286 = 204,286 : x
2. Step 2: Convert to fraction form
   131,821.50/204,286 = 204,286/x
3. Step 3: Cross multiply
   131,821.50x = 204,286 × 204,286
4. Step 4: Simplify right side
   131,821.50x = 41,732,769,796
5. Step 5: Solve for x
   x = 41,732,769,796/131,821.50
6. Step 6: Final answer
   x = 316,585.46