Finding the Third Proportional to 2,857,610 and 3,880,947

Step by Step Solution

1. Step 1: Write the proportion equation
   2,857,610 : 3,880,947 = 3,880,947 : x
2. Step 2: Convert to fraction form
   2,857,610/3,880,947 = 3,880,947/x
3. Step 3: Cross multiply
   2,857,610x = 3,880,947 × 3,880,947
4. Step 4: Simplify right side
   2,857,610x = 15,061,749,616,809
5. Step 5: Solve for x
   x = 15,061,749,616,809/2,857,610
6. Step 6: Final answer
   x = 5,270,750.60