Finding the Third Proportional to 2,243,399 and 4,892,811

Step by Step Solution

1. Step 1: Write the proportion equation
   2,243,399 : 4,892,811 = 4,892,811 : x
2. Step 2: Convert to fraction form
   2,243,399/4,892,811 = 4,892,811/x
3. Step 3: Cross multiply
   2,243,399x = 4,892,811 × 4,892,811
4. Step 4: Simplify right side
   2,243,399x = 23,939,599,481,721
5. Step 5: Solve for x
   x = 23,939,599,481,721/2,243,399
6. Step 6: Final answer
   x = 10,671,128.71