Finding the Third Proportional to 2,019,905 and 4,419,916

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019,905 : 4,419,916 = 4,419,916 : x
2. Step 2: Convert to fraction form
   2,019,905/4,419,916 = 4,419,916/x
3. Step 3: Cross multiply
   2,019,905x = 4,419,916 × 4,419,916
4. Step 4: Simplify right side
   2,019,905x = 19,535,657,447,056
5. Step 5: Solve for x
   x = 19,535,657,447,056/2,019,905
6. Step 6: Final answer
   x = 9,671,572.40