Finding the Third Proportional to 2,469,615 and 5,411,478

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469,615 : 5,411,478 = 5,411,478 : x
2. Step 2: Convert to fraction form
   2,469,615/5,411,478 = 5,411,478/x
3. Step 3: Cross multiply
   2,469,615x = 5,411,478 × 5,411,478
4. Step 4: Simplify right side
   2,469,615x = 29,284,094,144,484
5. Step 5: Solve for x
   x = 29,284,094,144,484/2,469,615
6. Step 6: Final answer
   x = 11,857,756.83