Finding the Third Proportional to 95,142.09 and 209,116.69

Step by Step Solution

1. Step 1: Write the proportion equation
   95,142.09 : 209,116.69 = 209,116.69 : x
2. Step 2: Convert to fraction form
   95,142.09/209,116.69 = 209,116.69/x
3. Step 3: Cross multiply
   95,142.09x = 209,116.69 × 209,116.69
4. Step 4: Simplify right side
   95,142.09x = 43,729,788,990.97
5. Step 5: Solve for x
   x = 43,729,788,990.97/95,142.09
6. Step 6: Final answer
   x = 459,626.09