Finding the Third Proportional to 34,888 and 72,728

Step by Step Solution

1. Step 1: Write the proportion equation
   34,888 : 72,728 = 72,728 : x
2. Step 2: Convert to fraction form
   34,888/72,728 = 72,728/x
3. Step 3: Cross multiply
   34,888x = 72,728 × 72,728
4. Step 4: Simplify right side
   34,888x = 5,289,361,984
5. Step 5: Solve for x
   x = 5,289,361,984/34,888
6. Step 6: Final answer
   x = 151,609.78