Finding the Third Proportional to 70,239 and 152,142

Step by Step Solution

1. Step 1: Write the proportion equation
   70,239 : 152,142 = 152,142 : x
2. Step 2: Convert to fraction form
   70,239/152,142 = 152,142/x
3. Step 3: Cross multiply
   70,239x = 152,142 × 152,142
4. Step 4: Simplify right side
   70,239x = 23,147,188,164
5. Step 5: Solve for x
   x = 23,147,188,164/70,239
6. Step 6: Final answer
   x = 329,548.94