Finding the Third Proportional to 105,479 and 230,992

Step by Step Solution

1. Step 1: Write the proportion equation
   105,479 : 230,992 = 230,992 : x
2. Step 2: Convert to fraction form
   105,479/230,992 = 230,992/x
3. Step 3: Cross multiply
   105,479x = 230,992 × 230,992
4. Step 4: Simplify right side
   105,479x = 53,357,304,064
5. Step 5: Solve for x
   x = 53,357,304,064/105,479
6. Step 6: Final answer
   x = 505,857.13