Finding the Third Proportional to 131,800.50 and 204,255

Step by Step Solution

1. Step 1: Write the proportion equation
   131,800.50 : 204,255 = 204,255 : x
2. Step 2: Convert to fraction form
   131,800.50/204,255 = 204,255/x
3. Step 3: Cross multiply
   131,800.50x = 204,255 × 204,255
4. Step 4: Simplify right side
   131,800.50x = 41,720,105,025
5. Step 5: Solve for x
   x = 41,720,105,025/131,800.50
6. Step 6: Final answer
   x = 316,539.81