Finding the Third Proportional to 2,857,664 and 3,881,028

Step by Step Solution

1. Step 1: Write the proportion equation
   2,857,664 : 3,881,028 = 3,881,028 : x
2. Step 2: Convert to fraction form
   2,857,664/3,881,028 = 3,881,028/x
3. Step 3: Cross multiply
   2,857,664x = 3,881,028 × 3,881,028
4. Step 4: Simplify right side
   2,857,664x = 15,062,378,336,784
5. Step 5: Solve for x
   x = 15,062,378,336,784/2,857,664
6. Step 6: Final answer
   x = 5,270,871.01