Finding the Third Proportional to 2,471,866 and 5,415,019

Step by Step Solution

1. Step 1: Write the proportion equation
   2,471,866 : 5,415,019 = 5,415,019 : x
2. Step 2: Convert to fraction form
   2,471,866/5,415,019 = 5,415,019/x
3. Step 3: Cross multiply
   2,471,866x = 5,415,019 × 5,415,019
4. Step 4: Simplify right side
   2,471,866x = 29,322,430,770,361
5. Step 5: Solve for x
   x = 29,322,430,770,361/2,471,866
6. Step 6: Final answer
   x = 11,862,467.78