Finding the Third Proportional to 567,999 and 853,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   567,999 : 853,456.50 = 853,456.50 : x
2. Step 2: Convert to fraction form
   567,999/853,456.50 = 853,456.50/x
3. Step 3: Cross multiply
   567,999x = 853,456.50 × 853,456.50
4. Step 4: Simplify right side
   567,999x = 728,387,997,392.25
5. Step 5: Solve for x
   x = 728,387,997,392.25/567,999
6. Step 6: Final answer
   x = 1,282,375.49