Finding the Third Proportional to 90,007 and 196,958

Step by Step Solution

1. Step 1: Write the proportion equation
   90,007 : 196,958 = 196,958 : x
2. Step 2: Convert to fraction form
   90,007/196,958 = 196,958/x
3. Step 3: Cross multiply
   90,007x = 196,958 × 196,958
4. Step 4: Simplify right side
   90,007x = 38,792,453,764
5. Step 5: Solve for x
   x = 38,792,453,764/90,007
6. Step 6: Final answer
   x = 430,993.74