Finding the Third Proportional to 2,622,616 and 5,721,872

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622,616 : 5,721,872 = 5,721,872 : x
2. Step 2: Convert to fraction form
   2,622,616/5,721,872 = 5,721,872/x
3. Step 3: Cross multiply
   2,622,616x = 5,721,872 × 5,721,872
4. Step 4: Simplify right side
   2,622,616x = 32,739,819,184,384
5. Step 5: Solve for x
   x = 32,739,819,184,384/2,622,616
6. Step 6: Final answer
   x = 12,483,649.60