Finding the Third Proportional to 89,996 and 196,939

Step by Step Solution

1. Step 1: Write the proportion equation
   89,996 : 196,939 = 196,939 : x
2. Step 2: Convert to fraction form
   89,996/196,939 = 196,939/x
3. Step 3: Cross multiply
   89,996x = 196,939 × 196,939
4. Step 4: Simplify right side
   89,996x = 38,784,969,721
5. Step 5: Solve for x
   x = 38,784,969,721/89,996
6. Step 6: Final answer
   x = 430,963.26