Finding the Third Proportional to 1,209,879 and 1,857,114

Step by Step Solution

1. Step 1: Write the proportion equation
   1,209,879 : 1,857,114 = 1,857,114 : x
2. Step 2: Convert to fraction form
   1,209,879/1,857,114 = 1,857,114/x
3. Step 3: Cross multiply
   1,209,879x = 1,857,114 × 1,857,114
4. Step 4: Simplify right side
   1,209,879x = 3,448,872,408,996
5. Step 5: Solve for x
   x = 3,448,872,408,996/1,209,879
6. Step 6: Final answer
   x = 2,850,592.84