Finding the Third Proportional to 190,040 and 300,904

Step by Step Solution

1. Step 1: Write the proportion equation
   190,040 : 300,904 = 300,904 : x
2. Step 2: Convert to fraction form
   190,040/300,904 = 300,904/x
3. Step 3: Cross multiply
   190,040x = 300,904 × 300,904
4. Step 4: Simplify right side
   190,040x = 90,543,217,216
5. Step 5: Solve for x
   x = 90,543,217,216/190,040
6. Step 6: Final answer
   x = 476,442.94