Finding the Third Proportional to 139,236 and 224,190

Step by Step Solution

1. Step 1: Write the proportion equation
   139,236 : 224,190 = 224,190 : x
2. Step 2: Convert to fraction form
   139,236/224,190 = 224,190/x
3. Step 3: Cross multiply
   139,236x = 224,190 × 224,190
4. Step 4: Simplify right side
   139,236x = 50,261,156,100
5. Step 5: Solve for x
   x = 50,261,156,100/139,236
6. Step 6: Final answer
   x = 360,978.17