Finding the Third Proportional to 1,244,090 and 1,865,811

Step by Step Solution

1. Step 1: Write the proportion equation
   1,244,090 : 1,865,811 = 1,865,811 : x
2. Step 2: Convert to fraction form
   1,244,090/1,865,811 = 1,865,811/x
3. Step 3: Cross multiply
   1,244,090x = 1,865,811 × 1,865,811
4. Step 4: Simplify right side
   1,244,090x = 3,481,250,687,721
5. Step 5: Solve for x
   x = 3,481,250,687,721/1,244,090
6. Step 6: Final answer
   x = 2,798,230.58