Finding the Third Proportional to 2,109,376 and 4,368,290

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,376 : 4,368,290 = 4,368,290 : x
2. Step 2: Convert to fraction form
   2,109,376/4,368,290 = 4,368,290/x
3. Step 3: Cross multiply
   2,109,376x = 4,368,290 × 4,368,290
4. Step 4: Simplify right side
   2,109,376x = 19,081,957,524,100
5. Step 5: Solve for x
   x = 19,081,957,524,100/2,109,376
6. Step 6: Final answer
   x = 9,046,257.06