Finding the Third Proportional to 111,176 and 230,128

Step by Step Solution

1. Step 1: Write the proportion equation
   111,176 : 230,128 = 230,128 : x
2. Step 2: Convert to fraction form
   111,176/230,128 = 230,128/x
3. Step 3: Cross multiply
   111,176x = 230,128 × 230,128
4. Step 4: Simplify right side
   111,176x = 52,958,896,384
5. Step 5: Solve for x
   x = 52,958,896,384/111,176
6. Step 6: Final answer
   x = 476,351.88