Finding the Third Proportional to 691,193 and 1,036,790

Step by Step Solution

1. Step 1: Write the proportion equation
   691,193 : 1,036,790 = 1,036,790 : x
2. Step 2: Convert to fraction form
   691,193/1,036,790 = 1,036,790/x
3. Step 3: Cross multiply
   691,193x = 1,036,790 × 1,036,790
4. Step 4: Simplify right side
   691,193x = 1,074,933,504,100
5. Step 5: Solve for x
   x = 1,074,933,504,100/691,193
6. Step 6: Final answer
   x = 1,555,185.75