Finding the Third Proportional to 682,830 and 1,071,009

Step by Step Solution

1. Step 1: Write the proportion equation
   682,830 : 1,071,009 = 1,071,009 : x
2. Step 2: Convert to fraction form
   682,830/1,071,009 = 1,071,009/x
3. Step 3: Cross multiply
   682,830x = 1,071,009 × 1,071,009
4. Step 4: Simplify right side
   682,830x = 1,147,060,278,081
5. Step 5: Solve for x
   x = 1,147,060,278,081/682,830
6. Step 6: Final answer
   x = 1,679,862.16