Finding the Third Proportional to 4,990,408 and 7,579,008

Step by Step Solution

1. Step 1: Write the proportion equation
   4,990,408 : 7,579,008 = 7,579,008 : x
2. Step 2: Convert to fraction form
   4,990,408/7,579,008 = 7,579,008/x
3. Step 3: Cross multiply
   4,990,408x = 7,579,008 × 7,579,008
4. Step 4: Simplify right side
   4,990,408x = 57,441,362,264,064
5. Step 5: Solve for x
   x = 57,441,362,264,064/4,990,408
6. Step 6: Final answer
   x = 11,510,353.92