Finding the Third Proportional to 105,342 and 230,391

Step by Step Solution

1. Step 1: Write the proportion equation
   105,342 : 230,391 = 230,391 : x
2. Step 2: Convert to fraction form
   105,342/230,391 = 230,391/x
3. Step 3: Cross multiply
   105,342x = 230,391 × 230,391
4. Step 4: Simplify right side
   105,342x = 53,080,012,881
5. Step 5: Solve for x
   x = 53,080,012,881/105,342
6. Step 6: Final answer
   x = 503,882.71