Finding the Third Proportional to 253,468 and 354,367.50

Step by Step Solution

1. Step 1: Write the proportion equation
   253,468 : 354,367.50 = 354,367.50 : x
2. Step 2: Convert to fraction form
   253,468/354,367.50 = 354,367.50/x
3. Step 3: Cross multiply
   253,468x = 354,367.50 × 354,367.50
4. Step 4: Simplify right side
   253,468x = 125,576,325,056.25
5. Step 5: Solve for x
   x = 125,576,325,056.25/253,468
6. Step 6: Final answer
   x = 495,432.66