Finding the Third Proportional to 139,296 and 250,944

Step by Step Solution

1. Step 1: Write the proportion equation
   139,296 : 250,944 = 250,944 : x
2. Step 2: Convert to fraction form
   139,296/250,944 = 250,944/x
3. Step 3: Cross multiply
   139,296x = 250,944 × 250,944
4. Step 4: Simplify right side
   139,296x = 62,972,891,136
5. Step 5: Solve for x
   x = 62,972,891,136/139,296
6. Step 6: Final answer
   x = 452,079.68