Finding the Third Proportional to 5,591,637 and 12,229,956

Step by Step Solution

1. Step 1: Write the proportion equation
   5,591,637 : 12,229,956 = 12,229,956 : x
2. Step 2: Convert to fraction form
   5,591,637/12,229,956 = 12,229,956/x
3. Step 3: Cross multiply
   5,591,637x = 12,229,956 × 12,229,956
4. Step 4: Simplify right side
   5,591,637x = 149,571,823,761,936
5. Step 5: Solve for x
   x = 149,571,823,761,936/5,591,637
6. Step 6: Final answer
   x = 26,749,201.31