Finding the Third Proportional to 2,115,758 and 3,223,211

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115,758 : 3,223,211 = 3,223,211 : x
2. Step 2: Convert to fraction form
   2,115,758/3,223,211 = 3,223,211/x
3. Step 3: Cross multiply
   2,115,758x = 3,223,211 × 3,223,211
4. Step 4: Simplify right side
   2,115,758x = 10,389,089,150,521
5. Step 5: Solve for x
   x = 10,389,089,150,521/2,115,758
6. Step 6: Final answer
   x = 4,910,339.06