Finding the Third Proportional to 3,838,256 and 8,207,968

Step by Step Solution

1. Step 1: Write the proportion equation
   3,838,256 : 8,207,968 = 8,207,968 : x
2. Step 2: Convert to fraction form
   3,838,256/8,207,968 = 8,207,968/x
3. Step 3: Cross multiply
   3,838,256x = 8,207,968 × 8,207,968
4. Step 4: Simplify right side
   3,838,256x = 67,370,738,689,024
5. Step 5: Solve for x
   x = 67,370,738,689,024/3,838,256
6. Step 6: Final answer
   x = 17,552,434.93