Finding the Third Proportional to 2,065,806 and 4,457,916

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065,806 : 4,457,916 = 4,457,916 : x
2. Step 2: Convert to fraction form
   2,065,806/4,457,916 = 4,457,916/x
3. Step 3: Cross multiply
   2,065,806x = 4,457,916 × 4,457,916
4. Step 4: Simplify right side
   2,065,806x = 19,873,015,063,056
5. Step 5: Solve for x
   x = 19,873,015,063,056/2,065,806
6. Step 6: Final answer
   x = 9,619,981.29