Finding the Third Proportional to 70,708 and 154,040

Step by Step Solution

1. Step 1: Write the proportion equation
   70,708 : 154,040 = 154,040 : x
2. Step 2: Convert to fraction form
   70,708/154,040 = 154,040/x
3. Step 3: Cross multiply
   70,708x = 154,040 × 154,040
4. Step 4: Simplify right side
   70,708x = 23,728,321,600
5. Step 5: Solve for x
   x = 23,728,321,600/70,708
6. Step 6: Final answer
   x = 335,581.85