Finding the Third Proportional to 70,721 and 154,066

Step by Step Solution

1. Step 1: Write the proportion equation
   70,721 : 154,066 = 154,066 : x
2. Step 2: Convert to fraction form
   70,721/154,066 = 154,066/x
3. Step 3: Cross multiply
   70,721x = 154,066 × 154,066
4. Step 4: Simplify right side
   70,721x = 23,736,332,356
5. Step 5: Solve for x
   x = 23,736,332,356/70,721
6. Step 6: Final answer
   x = 335,633.44