Finding the Third Proportional to 1,103,166 and 1,686,823

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103,166 : 1,686,823 = 1,686,823 : x
2. Step 2: Convert to fraction form
   1,103,166/1,686,823 = 1,686,823/x
3. Step 3: Cross multiply
   1,103,166x = 1,686,823 × 1,686,823
4. Step 4: Simplify right side
   1,103,166x = 2,845,371,833,329
5. Step 5: Solve for x
   x = 2,845,371,833,329/1,103,166
6. Step 6: Final answer
   x = 2,579,278.04