Finding the Third Proportional to 70,154 and 150,270

Step by Step Solution

1. Step 1: Write the proportion equation
   70,154 : 150,270 = 150,270 : x
2. Step 2: Convert to fraction form
   70,154/150,270 = 150,270/x
3. Step 3: Cross multiply
   70,154x = 150,270 × 150,270
4. Step 4: Simplify right side
   70,154x = 22,581,072,900
5. Step 5: Solve for x
   x = 22,581,072,900/70,154
6. Step 6: Final answer
   x = 321,878.62