Finding the Third Proportional to 142,443 and 303,954.75

Step by Step Solution

1. Step 1: Write the proportion equation
   142,443 : 303,954.75 = 303,954.75 : x
2. Step 2: Convert to fraction form
   142,443/303,954.75 = 303,954.75/x
3. Step 3: Cross multiply
   142,443x = 303,954.75 × 303,954.75
4. Step 4: Simplify right side
   142,443x = 92,388,490,047.56
5. Step 5: Solve for x
   x = 92,388,490,047.56/142,443
6. Step 6: Final answer
   x = 648,599.72