Finding the Third Proportional to 4,449,908 and 9,529,672

Step by Step Solution

1. Step 1: Write the proportion equation
   4,449,908 : 9,529,672 = 9,529,672 : x
2. Step 2: Convert to fraction form
   4,449,908/9,529,672 = 9,529,672/x
3. Step 3: Cross multiply
   4,449,908x = 9,529,672 × 9,529,672
4. Step 4: Simplify right side
   4,449,908x = 90,814,648,427,584
5. Step 5: Solve for x
   x = 90,814,648,427,584/4,449,908
6. Step 6: Final answer
   x = 20,408,208.09