Finding the Third Proportional to 2,170,216 and 4,714,040

Step by Step Solution

1. Step 1: Write the proportion equation
   2,170,216 : 4,714,040 = 4,714,040 : x
2. Step 2: Convert to fraction form
   2,170,216/4,714,040 = 4,714,040/x
3. Step 3: Cross multiply
   2,170,216x = 4,714,040 × 4,714,040
4. Step 4: Simplify right side
   2,170,216x = 22,222,173,121,600
5. Step 5: Solve for x
   x = 22,222,173,121,600/2,170,216
6. Step 6: Final answer
   x = 10,239,613.53