Finding the Third Proportional to 191,096 and 408,976

Step by Step Solution

1. Step 1: Write the proportion equation
   191,096 : 408,976 = 408,976 : x
2. Step 2: Convert to fraction form
   191,096/408,976 = 408,976/x
3. Step 3: Cross multiply
   191,096x = 408,976 × 408,976
4. Step 4: Simplify right side
   191,096x = 167,261,368,576
5. Step 5: Solve for x
   x = 167,261,368,576/191,096
6. Step 6: Final answer
   x = 875,274.04