Finding the Third Proportional to 131,801.50 and 204,256.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,801.50 : 204,256.50 = 204,256.50 : x
2. Step 2: Convert to fraction form
   131,801.50/204,256.50 = 204,256.50/x
3. Step 3: Cross multiply
   131,801.50x = 204,256.50 × 204,256.50
4. Step 4: Simplify right side
   131,801.50x = 41,720,717,792.25
5. Step 5: Solve for x
   x = 41,720,717,792.25/131,801.50
6. Step 6: Final answer
   x = 316,542.06