Finding the Third Proportional to 2,155,744 and 4,694,212

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,744 : 4,694,212 = 4,694,212 : x
2. Step 2: Convert to fraction form
   2,155,744/4,694,212 = 4,694,212/x
3. Step 3: Cross multiply
   2,155,744x = 4,694,212 × 4,694,212
4. Step 4: Simplify right side
   2,155,744x = 22,035,626,300,944
5. Step 5: Solve for x
   x = 22,035,626,300,944/2,155,744
6. Step 6: Final answer
   x = 10,221,819.61