Finding the Third Proportional to 190,016 and 300,869

Step by Step Solution

1. Step 1: Write the proportion equation
   190,016 : 300,869 = 300,869 : x
2. Step 2: Convert to fraction form
   190,016/300,869 = 300,869/x
3. Step 3: Cross multiply
   190,016x = 300,869 × 300,869
4. Step 4: Simplify right side
   190,016x = 90,522,155,161
5. Step 5: Solve for x
   x = 90,522,155,161/190,016
6. Step 6: Final answer
   x = 476,392.28