Finding the Third Proportional to 2,102,810 and 4,594,821

Step by Step Solution

1. Step 1: Write the proportion equation
   2,102,810 : 4,594,821 = 4,594,821 : x
2. Step 2: Convert to fraction form
   2,102,810/4,594,821 = 4,594,821/x
3. Step 3: Cross multiply
   2,102,810x = 4,594,821 × 4,594,821
4. Step 4: Simplify right side
   2,102,810x = 21,112,380,022,041
5. Step 5: Solve for x
   x = 21,112,380,022,041/2,102,810
6. Step 6: Final answer
   x = 10,040,079.71