Finding the Third Proportional to 119,648.25 and 245,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   119,648.25 : 245,443.50 = 245,443.50 : x
2. Step 2: Convert to fraction form
   119,648.25/245,443.50 = 245,443.50/x
3. Step 3: Cross multiply
   119,648.25x = 245,443.50 × 245,443.50
4. Step 4: Simplify right side
   119,648.25x = 60,242,511,692.25
5. Step 5: Solve for x
   x = 60,242,511,692.25/119,648.25
6. Step 6: Final answer
   x = 503,496.81