Finding the Third Proportional to 236,583 and 518,968.50

Step by Step Solution

1. Step 1: Write the proportion equation
   236,583 : 518,968.50 = 518,968.50 : x
2. Step 2: Convert to fraction form
   236,583/518,968.50 = 518,968.50/x
3. Step 3: Cross multiply
   236,583x = 518,968.50 × 518,968.50
4. Step 4: Simplify right side
   236,583x = 269,328,303,992.25
5. Step 5: Solve for x
   x = 269,328,303,992.25/236,583
6. Step 6: Final answer
   x = 1,138,409.37