Finding the Third Proportional to 2,353,918 and 4,990,353

Step by Step Solution

1. Step 1: Write the proportion equation
   2,353,918 : 4,990,353 = 4,990,353 : x
2. Step 2: Convert to fraction form
   2,353,918/4,990,353 = 4,990,353/x
3. Step 3: Cross multiply
   2,353,918x = 4,990,353 × 4,990,353
4. Step 4: Simplify right side
   2,353,918x = 24,903,623,064,609
5. Step 5: Solve for x
   x = 24,903,623,064,609/2,353,918
6. Step 6: Final answer
   x = 10,579,647.66