Finding the Third Proportional to 89,936 and 197,976

Step by Step Solution

1. Step 1: Write the proportion equation
   89,936 : 197,976 = 197,976 : x
2. Step 2: Convert to fraction form
   89,936/197,976 = 197,976/x
3. Step 3: Cross multiply
   89,936x = 197,976 × 197,976
4. Step 4: Simplify right side
   89,936x = 39,194,496,576
5. Step 5: Solve for x
   x = 39,194,496,576/89,936
6. Step 6: Final answer
   x = 435,804.31