Finding the Third Proportional to 2,081,688 and 4,438,206

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081,688 : 4,438,206 = 4,438,206 : x
2. Step 2: Convert to fraction form
   2,081,688/4,438,206 = 4,438,206/x
3. Step 3: Cross multiply
   2,081,688x = 4,438,206 × 4,438,206
4. Step 4: Simplify right side
   2,081,688x = 19,697,672,498,436
5. Step 5: Solve for x
   x = 19,697,672,498,436/2,081,688
6. Step 6: Final answer
   x = 9,462,355.79