Finding the Third Proportional to 4,928,478 and 10,786,049

Step by Step Solution

1. Step 1: Write the proportion equation
   4,928,478 : 10,786,049 = 10,786,049 : x
2. Step 2: Convert to fraction form
   4,928,478/10,786,049 = 10,786,049/x
3. Step 3: Cross multiply
   4,928,478x = 10,786,049 × 10,786,049
4. Step 4: Simplify right side
   4,928,478x = 116,338,853,030,401
5. Step 5: Solve for x
   x = 116,338,853,030,401/4,928,478
6. Step 6: Final answer
   x = 23,605,432.15