Finding the Third Proportional to 33,928 and 72,008

Step by Step Solution

1. Step 1: Write the proportion equation
   33,928 : 72,008 = 72,008 : x
2. Step 2: Convert to fraction form
   33,928/72,008 = 72,008/x
3. Step 3: Cross multiply
   33,928x = 72,008 × 72,008
4. Step 4: Simplify right side
   33,928x = 5,185,152,064
5. Step 5: Solve for x
   x = 5,185,152,064/33,928
6. Step 6: Final answer
   x = 152,828.11