Finding the Third Proportional to 142,596 and 303,351.75

Step by Step Solution

1. Step 1: Write the proportion equation
   142,596 : 303,351.75 = 303,351.75 : x
2. Step 2: Convert to fraction form
   142,596/303,351.75 = 303,351.75/x
3. Step 3: Cross multiply
   142,596x = 303,351.75 × 303,351.75
4. Step 4: Simplify right side
   142,596x = 92,022,284,228.06
5. Step 5: Solve for x
   x = 92,022,284,228.06/142,596
6. Step 6: Final answer
   x = 645,335.66