Finding the Third Proportional to 139,104 and 223,965

Step by Step Solution

1. Step 1: Write the proportion equation
   139,104 : 223,965 = 223,965 : x
2. Step 2: Convert to fraction form
   139,104/223,965 = 223,965/x
3. Step 3: Cross multiply
   139,104x = 223,965 × 223,965
4. Step 4: Simplify right side
   139,104x = 50,160,321,225
5. Step 5: Solve for x
   x = 50,160,321,225/139,104
6. Step 6: Final answer
   x = 360,595.82