Finding the Third Proportional to 42,072 and 88,968

Step by Step Solution

1. Step 1: Write the proportion equation
   42,072 : 88,968 = 88,968 : x
2. Step 2: Convert to fraction form
   42,072/88,968 = 88,968/x
3. Step 3: Cross multiply
   42,072x = 88,968 × 88,968
4. Step 4: Simplify right side
   42,072x = 7,915,305,024
5. Step 5: Solve for x
   x = 7,915,305,024/42,072
6. Step 6: Final answer
   x = 188,137.12