Finding the Third Proportional to 2,479,785 and 5,257,164

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479,785 : 5,257,164 = 5,257,164 : x
2. Step 2: Convert to fraction form
   2,479,785/5,257,164 = 5,257,164/x
3. Step 3: Cross multiply
   2,479,785x = 5,257,164 × 5,257,164
4. Step 4: Simplify right side
   2,479,785x = 27,637,773,322,896
5. Step 5: Solve for x
   x = 27,637,773,322,896/2,479,785
6. Step 6: Final answer
   x = 11,145,229.66