Finding the Third Proportional to 139,238 and 224,193

Step by Step Solution

1. Step 1: Write the proportion equation
   139,238 : 224,193 = 224,193 : x
2. Step 2: Convert to fraction form
   139,238/224,193 = 224,193/x
3. Step 3: Cross multiply
   139,238x = 224,193 × 224,193
4. Step 4: Simplify right side
   139,238x = 50,262,501,249
5. Step 5: Solve for x
   x = 50,262,501,249/139,238
6. Step 6: Final answer
   x = 360,982.64