Finding the Third Proportional to 140,509.69 and 295,705.69

Step by Step Solution

1. Step 1: Write the proportion equation
   140,509.69 : 295,705.69 = 295,705.69 : x
2. Step 2: Convert to fraction form
   140,509.69/295,705.69 = 295,705.69/x
3. Step 3: Cross multiply
   140,509.69x = 295,705.69 × 295,705.69
4. Step 4: Simplify right side
   140,509.69x = 87,441,853,619.85
5. Step 5: Solve for x
   x = 87,441,853,619.85/140,509.69
6. Step 6: Final answer
   x = 622,319.04