Finding the Third Proportional to 42,198 and 90,048

Step by Step Solution

1. Step 1: Write the proportion equation
   42,198 : 90,048 = 90,048 : x
2. Step 2: Convert to fraction form
   42,198/90,048 = 90,048/x
3. Step 3: Cross multiply
   42,198x = 90,048 × 90,048
4. Step 4: Simplify right side
   42,198x = 8,108,642,304
5. Step 5: Solve for x
   x = 8,108,642,304/42,198
6. Step 6: Final answer
   x = 192,157.03