Finding the Third Proportional to 2,285,904 and 4,978,176

Step by Step Solution

1. Step 1: Write the proportion equation
   2,285,904 : 4,978,176 = 4,978,176 : x
2. Step 2: Convert to fraction form
   2,285,904/4,978,176 = 4,978,176/x
3. Step 3: Cross multiply
   2,285,904x = 4,978,176 × 4,978,176
4. Step 4: Simplify right side
   2,285,904x = 24,782,236,286,976
5. Step 5: Solve for x
   x = 24,782,236,286,976/2,285,904
6. Step 6: Final answer
   x = 10,841,328.55