Finding the Third Proportional to 253,452 and 354,343.50

Step by Step Solution

1. Step 1: Write the proportion equation
   253,452 : 354,343.50 = 354,343.50 : x
2. Step 2: Convert to fraction form
   253,452/354,343.50 = 354,343.50/x
3. Step 3: Cross multiply
   253,452x = 354,343.50 × 354,343.50
4. Step 4: Simplify right side
   253,452x = 125,559,315,992.25
5. Step 5: Solve for x
   x = 125,559,315,992.25/253,452
6. Step 6: Final answer
   x = 495,396.82