Finding the Third Proportional to 142,448 and 303,962

Step by Step Solution

1. Step 1: Write the proportion equation
   142,448 : 303,962 = 303,962 : x
2. Step 2: Convert to fraction form
   142,448/303,962 = 303,962/x
3. Step 3: Cross multiply
   142,448x = 303,962 × 303,962
4. Step 4: Simplify right side
   142,448x = 92,392,897,444
5. Step 5: Solve for x
   x = 92,392,897,444/142,448
6. Step 6: Final answer
   x = 648,607.90