Finding the Third Proportional to 70,142 and 150,238

Step by Step Solution

1. Step 1: Write the proportion equation
   70,142 : 150,238 = 150,238 : x
2. Step 2: Convert to fraction form
   70,142/150,238 = 150,238/x
3. Step 3: Cross multiply
   70,142x = 150,238 × 150,238
4. Step 4: Simplify right side
   70,142x = 22,571,456,644
5. Step 5: Solve for x
   x = 22,571,456,644/70,142
6. Step 6: Final answer
   x = 321,796.59