Finding the Third Proportional to 684,922 and 1,090,806

Step by Step Solution

1. Step 1: Write the proportion equation
   684,922 : 1,090,806 = 1,090,806 : x
2. Step 2: Convert to fraction form
   684,922/1,090,806 = 1,090,806/x
3. Step 3: Cross multiply
   684,922x = 1,090,806 × 1,090,806
4. Step 4: Simplify right side
   684,922x = 1,189,857,729,636
5. Step 5: Solve for x
   x = 1,189,857,729,636/684,922
6. Step 6: Final answer
   x = 1,737,216.40