Finding the Third Proportional to 567,617 and 853,817.50

Step by Step Solution

1. Step 1: Write the proportion equation
   567,617 : 853,817.50 = 853,817.50 : x
2. Step 2: Convert to fraction form
   567,617/853,817.50 = 853,817.50/x
3. Step 3: Cross multiply
   567,617x = 853,817.50 × 853,817.50
4. Step 4: Simplify right side
   567,617x = 729,004,323,306.25
5. Step 5: Solve for x
   x = 729,004,323,306.25/567,617
6. Step 6: Final answer
   x = 1,284,324.33