Finding the Third Proportional to 139,162 and 304,580

Step by Step Solution

1. Step 1: Write the proportion equation
   139,162 : 304,580 = 304,580 : x
2. Step 2: Convert to fraction form
   139,162/304,580 = 304,580/x
3. Step 3: Cross multiply
   139,162x = 304,580 × 304,580
4. Step 4: Simplify right side
   139,162x = 92,768,976,400
5. Step 5: Solve for x
   x = 92,768,976,400/139,162
6. Step 6: Final answer
   x = 666,625.78