Finding the Third Proportional to 1,286,150 and 1,890,739

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,150 : 1,890,739 = 1,890,739 : x
2. Step 2: Convert to fraction form
   1,286,150/1,890,739 = 1,890,739/x
3. Step 3: Cross multiply
   1,286,150x = 1,890,739 × 1,890,739
4. Step 4: Simplify right side
   1,286,150x = 3,574,893,966,121
5. Step 5: Solve for x
   x = 3,574,893,966,121/1,286,150
6. Step 6: Final answer
   x = 2,779,531.13