Finding the Third Proportional to 105,516 and 230,616

Step by Step Solution

1. Step 1: Write the proportion equation
   105,516 : 230,616 = 230,616 : x
2. Step 2: Convert to fraction form
   105,516/230,616 = 230,616/x
3. Step 3: Cross multiply
   105,516x = 230,616 × 230,616
4. Step 4: Simplify right side
   105,516x = 53,183,739,456
5. Step 5: Solve for x
   x = 53,183,739,456/105,516
6. Step 6: Final answer
   x = 504,034.83