Finding the Third Proportional to 142,203 and 301,938

Step by Step Solution

1. Step 1: Write the proportion equation
   142,203 : 301,938 = 301,938 : x
2. Step 2: Convert to fraction form
   142,203/301,938 = 301,938/x
3. Step 3: Cross multiply
   142,203x = 301,938 × 301,938
4. Step 4: Simplify right side
   142,203x = 91,166,555,844
5. Step 5: Solve for x
   x = 91,166,555,844/142,203
6. Step 6: Final answer
   x = 641,101.49