Finding the Third Proportional to 139,117.50 and 223,995.38

Step by Step Solution

1. Step 1: Write the proportion equation
   139,117.50 : 223,995.38 = 223,995.38 : x
2. Step 2: Convert to fraction form
   139,117.50/223,995.38 = 223,995.38/x
3. Step 3: Cross multiply
   139,117.50x = 223,995.38 × 223,995.38
4. Step 4: Simplify right side
   139,117.50x = 50,173,928,021.39
5. Step 5: Solve for x
   x = 50,173,928,021.39/139,117.50
6. Step 6: Final answer
   x = 360,658.64