Finding the Third Proportional to 2,015,772 and 4,352,212

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015,772 : 4,352,212 = 4,352,212 : x
2. Step 2: Convert to fraction form
   2,015,772/4,352,212 = 4,352,212/x
3. Step 3: Cross multiply
   2,015,772x = 4,352,212 × 4,352,212
4. Step 4: Simplify right side
   2,015,772x = 18,941,749,292,944
5. Step 5: Solve for x
   x = 18,941,749,292,944/2,015,772
6. Step 6: Final answer
   x = 9,396,771.70