Finding the Third Proportional to 196,162 and 415,863.50

Step by Step Solution

1. Step 1: Write the proportion equation
   196,162 : 415,863.50 = 415,863.50 : x
2. Step 2: Convert to fraction form
   196,162/415,863.50 = 415,863.50/x
3. Step 3: Cross multiply
   196,162x = 415,863.50 × 415,863.50
4. Step 4: Simplify right side
   196,162x = 172,942,450,632.25
5. Step 5: Solve for x
   x = 172,942,450,632.25/196,162
6. Step 6: Final answer
   x = 881,630.75