Finding the Third Proportional to 142,796.25 and 303,930.56

Step by Step Solution

1. Step 1: Write the proportion equation
   142,796.25 : 303,930.56 = 303,930.56 : x
2. Step 2: Convert to fraction form
   142,796.25/303,930.56 = 303,930.56/x
3. Step 3: Cross multiply
   142,796.25x = 303,930.56 × 303,930.56
4. Step 4: Simplify right side
   142,796.25x = 92,373,786,821.57
5. Step 5: Solve for x
   x = 92,373,786,821.57/142,796.25
6. Step 6: Final answer
   x = 646,892.25