Finding the Third Proportional to 91,861 and 196,844

Step by Step Solution

1. Step 1: Write the proportion equation
   91,861 : 196,844 = 196,844 : x
2. Step 2: Convert to fraction form
   91,861/196,844 = 196,844/x
3. Step 3: Cross multiply
   91,861x = 196,844 × 196,844
4. Step 4: Simplify right side
   91,861x = 38,747,560,336
5. Step 5: Solve for x
   x = 38,747,560,336/91,861
6. Step 6: Final answer
   x = 421,806.43