Finding the Third Proportional to 254,745 and 326,713.50

Step by Step Solution

1. Step 1: Write the proportion equation
   254,745 : 326,713.50 = 326,713.50 : x
2. Step 2: Convert to fraction form
   254,745/326,713.50 = 326,713.50/x
3. Step 3: Cross multiply
   254,745x = 326,713.50 × 326,713.50
4. Step 4: Simplify right side
   254,745x = 106,741,711,082.25
5. Step 5: Solve for x
   x = 106,741,711,082.25/254,745
6. Step 6: Final answer
   x = 419,013.96