Finding the Third Proportional to 42,108 and 90,966

Step by Step Solution

1. Step 1: Write the proportion equation
   42,108 : 90,966 = 90,966 : x
2. Step 2: Convert to fraction form
   42,108/90,966 = 90,966/x
3. Step 3: Cross multiply
   42,108x = 90,966 × 90,966
4. Step 4: Simplify right side
   42,108x = 8,274,813,156
5. Step 5: Solve for x
   x = 8,274,813,156/42,108
6. Step 6: Final answer
   x = 196,514.04