Finding the Third Proportional to 2,257,042 and 4,868,378

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257,042 : 4,868,378 = 4,868,378 : x
2. Step 2: Convert to fraction form
   2,257,042/4,868,378 = 4,868,378/x
3. Step 3: Cross multiply
   2,257,042x = 4,868,378 × 4,868,378
4. Step 4: Simplify right side
   2,257,042x = 23,701,104,350,884
5. Step 5: Solve for x
   x = 23,701,104,350,884/2,257,042
6. Step 6: Final answer
   x = 10,500,958.49