Finding the Third Proportional to 686,871 and 1,010,441

Step by Step Solution

1. Step 1: Write the proportion equation
   686,871 : 1,010,441 = 1,010,441 : x
2. Step 2: Convert to fraction form
   686,871/1,010,441 = 1,010,441/x
3. Step 3: Cross multiply
   686,871x = 1,010,441 × 1,010,441
4. Step 4: Simplify right side
   686,871x = 1,020,991,014,481
5. Step 5: Solve for x
   x = 1,020,991,014,481/686,871
6. Step 6: Final answer
   x = 1,486,437.79