Finding the Third Proportional to 2,276,978 and 4,891,634

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276,978 : 4,891,634 = 4,891,634 : x
2. Step 2: Convert to fraction form
   2,276,978/4,891,634 = 4,891,634/x
3. Step 3: Cross multiply
   2,276,978x = 4,891,634 × 4,891,634
4. Step 4: Simplify right side
   2,276,978x = 23,928,083,189,956
5. Step 5: Solve for x
   x = 23,928,083,189,956/2,276,978
6. Step 6: Final answer
   x = 10,508,701.97