Finding the Third Proportional to 2,118,820 and 4,633,751

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,820 : 4,633,751 = 4,633,751 : x
2. Step 2: Convert to fraction form
   2,118,820/4,633,751 = 4,633,751/x
3. Step 3: Cross multiply
   2,118,820x = 4,633,751 × 4,633,751
4. Step 4: Simplify right side
   2,118,820x = 21,471,648,330,001
5. Step 5: Solve for x
   x = 21,471,648,330,001/2,118,820
6. Step 6: Final answer
   x = 10,133,776.50