Finding the Third Proportional to 190,059.50 and 408,197

Step by Step Solution

1. Step 1: Write the proportion equation
   190,059.50 : 408,197 = 408,197 : x
2. Step 2: Convert to fraction form
   190,059.50/408,197 = 408,197/x
3. Step 3: Cross multiply
   190,059.50x = 408,197 × 408,197
4. Step 4: Simplify right side
   190,059.50x = 166,624,790,809
5. Step 5: Solve for x
   x = 166,624,790,809/190,059.50
6. Step 6: Final answer
   x = 876,698.04