Finding the Third Proportional to 1,286,372 and 1,891,017

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,372 : 1,891,017 = 1,891,017 : x
2. Step 2: Convert to fraction form
   1,286,372/1,891,017 = 1,891,017/x
3. Step 3: Cross multiply
   1,286,372x = 1,891,017 × 1,891,017
4. Step 4: Simplify right side
   1,286,372x = 3,575,945,294,289
5. Step 5: Solve for x
   x = 3,575,945,294,289/1,286,372
6. Step 6: Final answer
   x = 2,779,868.73