Finding the Third Proportional to 560,500 and 853,710

Step by Step Solution

1. Step 1: Write the proportion equation
   560,500 : 853,710 = 853,710 : x
2. Step 2: Convert to fraction form
   560,500/853,710 = 853,710/x
3. Step 3: Cross multiply
   560,500x = 853,710 × 853,710
4. Step 4: Simplify right side
   560,500x = 728,820,764,100
5. Step 5: Solve for x
   x = 728,820,764,100/560,500
6. Step 6: Final answer
   x = 1,300,304.66