Finding the Third Proportional to 42,108 and 89,048

Step by Step Solution

1. Step 1: Write the proportion equation
   42,108 : 89,048 = 89,048 : x
2. Step 2: Convert to fraction form
   42,108/89,048 = 89,048/x
3. Step 3: Cross multiply
   42,108x = 89,048 × 89,048
4. Step 4: Simplify right side
   42,108x = 7,929,546,304
5. Step 5: Solve for x
   x = 7,929,546,304/42,108
6. Step 6: Final answer
   x = 188,314.48