Finding the Third Proportional to 2,155,756 and 4,694,238

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,756 : 4,694,238 = 4,694,238 : x
2. Step 2: Convert to fraction form
   2,155,756/4,694,238 = 4,694,238/x
3. Step 3: Cross multiply
   2,155,756x = 4,694,238 × 4,694,238
4. Step 4: Simplify right side
   2,155,756x = 22,035,870,400,644
5. Step 5: Solve for x
   x = 22,035,870,400,644/2,155,756
6. Step 6: Final answer
   x = 10,221,875.95