Finding the Third Proportional to 4,928,638 and 10,786,382

Step by Step Solution

1. Step 1: Write the proportion equation
   4,928,638 : 10,786,382 = 10,786,382 : x
2. Step 2: Convert to fraction form
   4,928,638/10,786,382 = 10,786,382/x
3. Step 3: Cross multiply
   4,928,638x = 10,786,382 × 10,786,382
4. Step 4: Simplify right side
   4,928,638x = 116,346,036,649,924
5. Step 5: Solve for x
   x = 116,346,036,649,924/4,928,638
6. Step 6: Final answer
   x = 23,606,123.37