Finding the Third Proportional to 109,176 and 238,872

Step by Step Solution

1. Step 1: Write the proportion equation
   109,176 : 238,872 = 238,872 : x
2. Step 2: Convert to fraction form
   109,176/238,872 = 238,872/x
3. Step 3: Cross multiply
   109,176x = 238,872 × 238,872
4. Step 4: Simplify right side
   109,176x = 57,059,832,384
5. Step 5: Solve for x
   x = 57,059,832,384/109,176
6. Step 6: Final answer
   x = 522,640.80