Finding the Third Proportional to 3,785,589 and 8,256,323

Step by Step Solution

1. Step 1: Write the proportion equation
   3,785,589 : 8,256,323 = 8,256,323 : x
2. Step 2: Convert to fraction form
   3,785,589/8,256,323 = 8,256,323/x
3. Step 3: Cross multiply
   3,785,589x = 8,256,323 × 8,256,323
4. Step 4: Simplify right side
   3,785,589x = 68,166,869,480,329
5. Step 5: Solve for x
   x = 68,166,869,480,329/3,785,589
6. Step 6: Final answer
   x = 18,006,938.81