Finding the Third Proportional to 692,686 and 1,036,249

Step by Step Solution

1. Step 1: Write the proportion equation
   692,686 : 1,036,249 = 1,036,249 : x
2. Step 2: Convert to fraction form
   692,686/1,036,249 = 1,036,249/x
3. Step 3: Cross multiply
   692,686x = 1,036,249 × 1,036,249
4. Step 4: Simplify right side
   692,686x = 1,073,811,990,001
5. Step 5: Solve for x
   x = 1,073,811,990,001/692,686
6. Step 6: Final answer
   x = 1,550,214.66