Finding the Third Proportional to 1,299,837 and 2,805,189

Step by Step Solution

1. Step 1: Write the proportion equation
   1,299,837 : 2,805,189 = 2,805,189 : x
2. Step 2: Convert to fraction form
   1,299,837/2,805,189 = 2,805,189/x
3. Step 3: Cross multiply
   1,299,837x = 2,805,189 × 2,805,189
4. Step 4: Simplify right side
   1,299,837x = 7,869,085,325,721
5. Step 5: Solve for x
   x = 7,869,085,325,721/1,299,837
6. Step 6: Final answer
   x = 6,053,901.62