Finding the Third Proportional to 1,286,328 and 1,890,954

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,328 : 1,890,954 = 1,890,954 : x
2. Step 2: Convert to fraction form
   1,286,328/1,890,954 = 1,890,954/x
3. Step 3: Cross multiply
   1,286,328x = 1,890,954 × 1,890,954
4. Step 4: Simplify right side
   1,286,328x = 3,575,707,030,116
5. Step 5: Solve for x
   x = 3,575,707,030,116/1,286,328
6. Step 6: Final answer
   x = 2,779,778.59