Finding the Third Proportional to 99,996 and 140,636

Step by Step Solution

1. Step 1: Write the proportion equation
   99,996 : 140,636 = 140,636 : x
2. Step 2: Convert to fraction form
   99,996/140,636 = 140,636/x
3. Step 3: Cross multiply
   99,996x = 140,636 × 140,636
4. Step 4: Simplify right side
   99,996x = 19,778,484,496
5. Step 5: Solve for x
   x = 19,778,484,496/99,996
6. Step 6: Final answer
   x = 197,792.76