Finding the Third Proportional to 139,814 and 304,204

Step by Step Solution

1. Step 1: Write the proportion equation
   139,814 : 304,204 = 304,204 : x
2. Step 2: Convert to fraction form
   139,814/304,204 = 304,204/x
3. Step 3: Cross multiply
   139,814x = 304,204 × 304,204
4. Step 4: Simplify right side
   139,814x = 92,540,073,616
5. Step 5: Solve for x
   x = 92,540,073,616/139,814
6. Step 6: Final answer
   x = 661,879.88