Finding the Third Proportional to 1,290,195 and 2,734,206

Step by Step Solution

1. Step 1: Write the proportion equation
   1,290,195 : 2,734,206 = 2,734,206 : x
2. Step 2: Convert to fraction form
   1,290,195/2,734,206 = 2,734,206/x
3. Step 3: Cross multiply
   1,290,195x = 2,734,206 × 2,734,206
4. Step 4: Simplify right side
   1,290,195x = 7,475,882,450,436
5. Step 5: Solve for x
   x = 7,475,882,450,436/1,290,195
6. Step 6: Final answer
   x = 5,794,381.82