Finding the Third Proportional to 109,243 and 164,866

Step by Step Solution

1. Step 1: Write the proportion equation
   109,243 : 164,866 = 164,866 : x
2. Step 2: Convert to fraction form
   109,243/164,866 = 164,866/x
3. Step 3: Cross multiply
   109,243x = 164,866 × 164,866
4. Step 4: Simplify right side
   109,243x = 27,180,797,956
5. Step 5: Solve for x
   x = 27,180,797,956/109,243
6. Step 6: Final answer
   x = 248,810.43