Finding the Third Proportional to 395,847 and 504,103.50

Step by Step Solution

1. Step 1: Write the proportion equation
   395,847 : 504,103.50 = 504,103.50 : x
2. Step 2: Convert to fraction form
   395,847/504,103.50 = 504,103.50/x
3. Step 3: Cross multiply
   395,847x = 504,103.50 × 504,103.50
4. Step 4: Simplify right side
   395,847x = 254,120,338,712.25
5. Step 5: Solve for x
   x = 254,120,338,712.25/395,847
6. Step 6: Final answer
   x = 641,966.06