Finding the Third Proportional to 2,159,644 and 4,651,064

Step by Step Solution

1. Step 1: Write the proportion equation
   2,159,644 : 4,651,064 = 4,651,064 : x
2. Step 2: Convert to fraction form
   2,159,644/4,651,064 = 4,651,064/x
3. Step 3: Cross multiply
   2,159,644x = 4,651,064 × 4,651,064
4. Step 4: Simplify right side
   2,159,644x = 21,632,396,332,096
5. Step 5: Solve for x
   x = 21,632,396,332,096/2,159,644
6. Step 6: Final answer
   x = 10,016,649.19