Finding the Third Proportional to 2,155,950 and 4,694,388

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,950 : 4,694,388 = 4,694,388 : x
2. Step 2: Convert to fraction form
   2,155,950/4,694,388 = 4,694,388/x
3. Step 3: Cross multiply
   2,155,950x = 4,694,388 × 4,694,388
4. Step 4: Simplify right side
   2,155,950x = 22,037,278,694,544
5. Step 5: Solve for x
   x = 22,037,278,694,544/2,155,950
6. Step 6: Final answer
   x = 10,221,609.36