Finding the Third Proportional to 195,736.50 and 311,100.75

Step by Step Solution

1. Step 1: Write the proportion equation
   195,736.50 : 311,100.75 = 311,100.75 : x
2. Step 2: Convert to fraction form
   195,736.50/311,100.75 = 311,100.75/x
3. Step 3: Cross multiply
   195,736.50x = 311,100.75 × 311,100.75
4. Step 4: Simplify right side
   195,736.50x = 96,783,676,650.56
5. Step 5: Solve for x
   x = 96,783,676,650.56/195,736.50
6. Step 6: Final answer
   x = 494,459.01