Finding the Third Proportional to 72,110 and 154,180

Step by Step Solution

1. Step 1: Write the proportion equation
   72,110 : 154,180 = 154,180 : x
2. Step 2: Convert to fraction form
   72,110/154,180 = 154,180/x
3. Step 3: Cross multiply
   72,110x = 154,180 × 154,180
4. Step 4: Simplify right side
   72,110x = 23,771,472,400
5. Step 5: Solve for x
   x = 23,771,472,400/72,110
6. Step 6: Final answer
   x = 329,655.70