Finding the Third Proportional to 3,846,888 and 8,208,640

Step by Step Solution

1. Step 1: Write the proportion equation
   3,846,888 : 8,208,640 = 8,208,640 : x
2. Step 2: Convert to fraction form
   3,846,888/8,208,640 = 8,208,640/x
3. Step 3: Cross multiply
   3,846,888x = 8,208,640 × 8,208,640
4. Step 4: Simplify right side
   3,846,888x = 67,381,770,649,600
5. Step 5: Solve for x
   x = 67,381,770,649,600/3,846,888
6. Step 6: Final answer
   x = 17,515,916.93