Finding the Third Proportional to 70,772 and 154,670

Step by Step Solution

1. Step 1: Write the proportion equation
   70,772 : 154,670 = 154,670 : x
2. Step 2: Convert to fraction form
   70,772/154,670 = 154,670/x
3. Step 3: Cross multiply
   70,772x = 154,670 × 154,670
4. Step 4: Simplify right side
   70,772x = 23,922,808,900
5. Step 5: Solve for x
   x = 23,922,808,900/70,772
6. Step 6: Final answer
   x = 338,026.46