Finding the Third Proportional to 686,867 and 1,050,699

Step by Step Solution

1. Step 1: Write the proportion equation
   686,867 : 1,050,699 = 1,050,699 : x
2. Step 2: Convert to fraction form
   686,867/1,050,699 = 1,050,699/x
3. Step 3: Cross multiply
   686,867x = 1,050,699 × 1,050,699
4. Step 4: Simplify right side
   686,867x = 1,103,968,388,601
5. Step 5: Solve for x
   x = 1,103,968,388,601/686,867
6. Step 6: Final answer
   x = 1,607,252.04