Finding the Third Proportional to 236,457.50 and 518,863

Step by Step Solution

1. Step 1: Write the proportion equation
   236,457.50 : 518,863 = 518,863 : x
2. Step 2: Convert to fraction form
   236,457.50/518,863 = 518,863/x
3. Step 3: Cross multiply
   236,457.50x = 518,863 × 518,863
4. Step 4: Simplify right side
   236,457.50x = 269,218,812,769
5. Step 5: Solve for x
   x = 269,218,812,769/236,457.50
6. Step 6: Final answer
   x = 1,138,550.53