Finding the Third Proportional to 691,177 and 1,036,766

Step by Step Solution

1. Step 1: Write the proportion equation
   691,177 : 1,036,766 = 1,036,766 : x
2. Step 2: Convert to fraction form
   691,177/1,036,766 = 1,036,766/x
3. Step 3: Cross multiply
   691,177x = 1,036,766 × 1,036,766
4. Step 4: Simplify right side
   691,177x = 1,074,883,738,756
5. Step 5: Solve for x
   x = 1,074,883,738,756/691,177
6. Step 6: Final answer
   x = 1,555,149.75