Finding the Third Proportional to 1,286,356 and 1,890,996

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,356 : 1,890,996 = 1,890,996 : x
2. Step 2: Convert to fraction form
   1,286,356/1,890,996 = 1,890,996/x
3. Step 3: Cross multiply
   1,286,356x = 1,890,996 × 1,890,996
4. Step 4: Simplify right side
   1,286,356x = 3,575,865,872,016
5. Step 5: Solve for x
   x = 3,575,865,872,016/1,286,356
6. Step 6: Final answer
   x = 2,779,841.56