Finding the Third Proportional to 33,220 and 72,968

Step by Step Solution

1. Step 1: Write the proportion equation
   33,220 : 72,968 = 72,968 : x
2. Step 2: Convert to fraction form
   33,220/72,968 = 72,968/x
3. Step 3: Cross multiply
   33,220x = 72,968 × 72,968
4. Step 4: Simplify right side
   33,220x = 5,324,329,024
5. Step 5: Solve for x
   x = 5,324,329,024/33,220
6. Step 6: Final answer
   x = 160,274.81