Finding the Third Proportional to 1,209,870 and 1,857,104

Step by Step Solution

1. Step 1: Write the proportion equation
   1,209,870 : 1,857,104 = 1,857,104 : x
2. Step 2: Convert to fraction form
   1,209,870/1,857,104 = 1,857,104/x
3. Step 3: Cross multiply
   1,209,870x = 1,857,104 × 1,857,104
4. Step 4: Simplify right side
   1,209,870x = 3,448,835,266,816
5. Step 5: Solve for x
   x = 3,448,835,266,816/1,209,870
6. Step 6: Final answer
   x = 2,850,583.34