Finding the Third Proportional to 2,065,812 and 4,457,928

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065,812 : 4,457,928 = 4,457,928 : x
2. Step 2: Convert to fraction form
   2,065,812/4,457,928 = 4,457,928/x
3. Step 3: Cross multiply
   2,065,812x = 4,457,928 × 4,457,928
4. Step 4: Simplify right side
   2,065,812x = 19,873,122,053,184
5. Step 5: Solve for x
   x = 19,873,122,053,184/2,065,812
6. Step 6: Final answer
   x = 9,620,005.14