Finding the Third Proportional to 681,556 and 1,031,886

Step by Step Solution

1. Step 1: Write the proportion equation
   681,556 : 1,031,886 = 1,031,886 : x
2. Step 2: Convert to fraction form
   681,556/1,031,886 = 1,031,886/x
3. Step 3: Cross multiply
   681,556x = 1,031,886 × 1,031,886
4. Step 4: Simplify right side
   681,556x = 1,064,788,716,996
5. Step 5: Solve for x
   x = 1,064,788,716,996/681,556
6. Step 6: Final answer
   x = 1,562,290.87