Finding the Third Proportional to 139,236 and 224,190.75

Step by Step Solution

1. Step 1: Write the proportion equation
   139,236 : 224,190.75 = 224,190.75 : x
2. Step 2: Convert to fraction form
   139,236/224,190.75 = 224,190.75/x
3. Step 3: Cross multiply
   139,236x = 224,190.75 × 224,190.75
4. Step 4: Simplify right side
   139,236x = 50,261,492,385.56
5. Step 5: Solve for x
   x = 50,261,492,385.56/139,236
6. Step 6: Final answer
   x = 360,980.58