Finding the Third Proportional to 683,399 and 1,086,132

Step by Step Solution

1. Step 1: Write the proportion equation
   683,399 : 1,086,132 = 1,086,132 : x
2. Step 2: Convert to fraction form
   683,399/1,086,132 = 1,086,132/x
3. Step 3: Cross multiply
   683,399x = 1,086,132 × 1,086,132
4. Step 4: Simplify right side
   683,399x = 1,179,682,721,424
5. Step 5: Solve for x
   x = 1,179,682,721,424/683,399
6. Step 6: Final answer
   x = 1,726,199.07