Finding the Third Proportional to 2,160,705 and 4,641,669

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160,705 : 4,641,669 = 4,641,669 : x
2. Step 2: Convert to fraction form
   2,160,705/4,641,669 = 4,641,669/x
3. Step 3: Cross multiply
   2,160,705x = 4,641,669 × 4,641,669
4. Step 4: Simplify right side
   2,160,705x = 21,545,091,105,561
5. Step 5: Solve for x
   x = 21,545,091,105,561/2,160,705
6. Step 6: Final answer
   x = 9,971,324.69