Finding the Third Proportional to 142,444 and 303,956

Step by Step Solution

1. Step 1: Write the proportion equation
   142,444 : 303,956 = 303,956 : x
2. Step 2: Convert to fraction form
   142,444/303,956 = 303,956/x
3. Step 3: Cross multiply
   142,444x = 303,956 × 303,956
4. Step 4: Simplify right side
   142,444x = 92,389,249,936
5. Step 5: Solve for x
   x = 92,389,249,936/142,444
6. Step 6: Final answer
   x = 648,600.50