Finding the Third Proportional to 90,996 and 140,382

Step by Step Solution

1. Step 1: Write the proportion equation
   90,996 : 140,382 = 140,382 : x
2. Step 2: Convert to fraction form
   90,996/140,382 = 140,382/x
3. Step 3: Cross multiply
   90,996x = 140,382 × 140,382
4. Step 4: Simplify right side
   90,996x = 19,707,105,924
5. Step 5: Solve for x
   x = 19,707,105,924/90,996
6. Step 6: Final answer
   x = 216,571.12