Finding the Third Proportional to 2,081,664 and 4,438,161

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081,664 : 4,438,161 = 4,438,161 : x
2. Step 2: Convert to fraction form
   2,081,664/4,438,161 = 4,438,161/x
3. Step 3: Cross multiply
   2,081,664x = 4,438,161 × 4,438,161
4. Step 4: Simplify right side
   2,081,664x = 19,697,273,061,921
5. Step 5: Solve for x
   x = 19,697,273,061,921/2,081,664
6. Step 6: Final answer
   x = 9,462,273.00