Finding the Third Proportional to 90,708 and 196,950

Step by Step Solution

1. Step 1: Write the proportion equation
   90,708 : 196,950 = 196,950 : x
2. Step 2: Convert to fraction form
   90,708/196,950 = 196,950/x
3. Step 3: Cross multiply
   90,708x = 196,950 × 196,950
4. Step 4: Simplify right side
   90,708x = 38,789,302,500
5. Step 5: Solve for x
   x = 38,789,302,500/90,708
6. Step 6: Final answer
   x = 427,628.24