Finding the Third Proportional to 2,149,712 and 4,686,496

Step by Step Solution

1. Step 1: Write the proportion equation
   2,149,712 : 4,686,496 = 4,686,496 : x
2. Step 2: Convert to fraction form
   2,149,712/4,686,496 = 4,686,496/x
3. Step 3: Cross multiply
   2,149,712x = 4,686,496 × 4,686,496
4. Step 4: Simplify right side
   2,149,712x = 21,963,244,758,016
5. Step 5: Solve for x
   x = 21,963,244,758,016/2,149,712
6. Step 6: Final answer
   x = 10,216,831.26