Finding the Third Proportional to 3,785,616 and 8,256,330

Step by Step Solution

1. Step 1: Write the proportion equation
   3,785,616 : 8,256,330 = 8,256,330 : x
2. Step 2: Convert to fraction form
   3,785,616/8,256,330 = 8,256,330/x
3. Step 3: Cross multiply
   3,785,616x = 8,256,330 × 8,256,330
4. Step 4: Simplify right side
   3,785,616x = 68,166,985,068,900
5. Step 5: Solve for x
   x = 68,166,985,068,900/3,785,616
6. Step 6: Final answer
   x = 18,006,840.91