Finding the Third Proportional to 2,115,893 and 4,993,999

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115,893 : 4,993,999 = 4,993,999 : x
2. Step 2: Convert to fraction form
   2,115,893/4,993,999 = 4,993,999/x
3. Step 3: Cross multiply
   2,115,893x = 4,993,999 × 4,993,999
4. Step 4: Simplify right side
   2,115,893x = 24,940,026,012,001
5. Step 5: Solve for x
   x = 24,940,026,012,001/2,115,893
6. Step 6: Final answer
   x = 11,786,997.74