Finding the Third Proportional to 109,192 and 238,148

Step by Step Solution

1. Step 1: Write the proportion equation
   109,192 : 238,148 = 238,148 : x
2. Step 2: Convert to fraction form
   109,192/238,148 = 238,148/x
3. Step 3: Cross multiply
   109,192x = 238,148 × 238,148
4. Step 4: Simplify right side
   109,192x = 56,714,469,904
5. Step 5: Solve for x
   x = 56,714,469,904/109,192
6. Step 6: Final answer
   x = 519,401.33