Finding the Third Proportional to 1,286,354 and 1,890,993

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,354 : 1,890,993 = 1,890,993 : x
2. Step 2: Convert to fraction form
   1,286,354/1,890,993 = 1,890,993/x
3. Step 3: Cross multiply
   1,286,354x = 1,890,993 × 1,890,993
4. Step 4: Simplify right side
   1,286,354x = 3,575,854,526,049
5. Step 5: Solve for x
   x = 3,575,854,526,049/1,286,354
6. Step 6: Final answer
   x = 2,779,837.06