Finding the Third Proportional to 109,065 and 230,705

Step by Step Solution

1. Step 1: Write the proportion equation
   109,065 : 230,705 = 230,705 : x
2. Step 2: Convert to fraction form
   109,065/230,705 = 230,705/x
3. Step 3: Cross multiply
   109,065x = 230,705 × 230,705
4. Step 4: Simplify right side
   109,065x = 53,224,797,025
5. Step 5: Solve for x
   x = 53,224,797,025/109,065
6. Step 6: Final answer
   x = 488,009.88