Finding the Third Proportional to 514,616.50 and 799,951

Step by Step Solution

1. Step 1: Write the proportion equation
   514,616.50 : 799,951 = 799,951 : x
2. Step 2: Convert to fraction form
   514,616.50/799,951 = 799,951/x
3. Step 3: Cross multiply
   514,616.50x = 799,951 × 799,951
4. Step 4: Simplify right side
   514,616.50x = 639,921,602,401
5. Step 5: Solve for x
   x = 639,921,602,401/514,616.50
6. Step 6: Final answer
   x = 1,243,492.20