Finding the Third Proportional to 139,416 and 304,944

Step by Step Solution

1. Step 1: Write the proportion equation
   139,416 : 304,944 = 304,944 : x
2. Step 2: Convert to fraction form
   139,416/304,944 = 304,944/x
3. Step 3: Cross multiply
   139,416x = 304,944 × 304,944
4. Step 4: Simplify right side
   139,416x = 92,990,843,136
5. Step 5: Solve for x
   x = 92,990,843,136/139,416
6. Step 6: Final answer
   x = 667,002.66