Finding the Third Proportional to 109,448 and 223,612

Step by Step Solution

1. Step 1: Write the proportion equation
   109,448 : 223,612 = 223,612 : x
2. Step 2: Convert to fraction form
   109,448/223,612 = 223,612/x
3. Step 3: Cross multiply
   109,448x = 223,612 × 223,612
4. Step 4: Simplify right side
   109,448x = 50,002,326,544
5. Step 5: Solve for x
   x = 50,002,326,544/109,448
6. Step 6: Final answer
   x = 456,859.21