Finding the Third Proportional to 2,111,200 and 4,978,864

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,200 : 4,978,864 = 4,978,864 : x
2. Step 2: Convert to fraction form
   2,111,200/4,978,864 = 4,978,864/x
3. Step 3: Cross multiply
   2,111,200x = 4,978,864 × 4,978,864
4. Step 4: Simplify right side
   2,111,200x = 24,789,086,730,496
5. Step 5: Solve for x
   x = 24,789,086,730,496/2,111,200
6. Step 6: Final answer
   x = 11,741,704.59