Finding the Third Proportional to 109,318 and 238,885

Step by Step Solution

1. Step 1: Write the proportion equation
   109,318 : 238,885 = 238,885 : x
2. Step 2: Convert to fraction form
   109,318/238,885 = 238,885/x
3. Step 3: Cross multiply
   109,318x = 238,885 × 238,885
4. Step 4: Simplify right side
   109,318x = 57,066,043,225
5. Step 5: Solve for x
   x = 57,066,043,225/109,318
6. Step 6: Final answer
   x = 522,018.73