Finding the Third Proportional to 5,274,398 and 10,828,408

Step by Step Solution

1. Step 1: Write the proportion equation
   5,274,398 : 10,828,408 = 10,828,408 : x
2. Step 2: Convert to fraction form
   5,274,398/10,828,408 = 10,828,408/x
3. Step 3: Cross multiply
   5,274,398x = 10,828,408 × 10,828,408
4. Step 4: Simplify right side
   5,274,398x = 117,254,419,814,464
5. Step 5: Solve for x
   x = 117,254,419,814,464/5,274,398
6. Step 6: Final answer
   x = 22,230,863.09