Finding the Third Proportional to 280,665 and 599,967

Step by Step Solution

1. Step 1: Write the proportion equation
   280,665 : 599,967 = 599,967 : x
2. Step 2: Convert to fraction form
   280,665/599,967 = 599,967/x
3. Step 3: Cross multiply
   280,665x = 599,967 × 599,967
4. Step 4: Simplify right side
   280,665x = 359,960,401,089
5. Step 5: Solve for x
   x = 359,960,401,089/280,665
6. Step 6: Final answer
   x = 1,282,526.86