Finding the Third Proportional to 1,069,862 and 1,661,939

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069,862 : 1,661,939 = 1,661,939 : x
2. Step 2: Convert to fraction form
   1,069,862/1,661,939 = 1,661,939/x
3. Step 3: Cross multiply
   1,069,862x = 1,661,939 × 1,661,939
4. Step 4: Simplify right side
   1,069,862x = 2,762,041,239,721
5. Step 5: Solve for x
   x = 2,762,041,239,721/1,069,862
6. Step 6: Final answer
   x = 2,581,679.92