Finding the Third Proportional to 3,881,896 and 8,165,369

Step by Step Solution

1. Step 1: Write the proportion equation
   3,881,896 : 8,165,369 = 8,165,369 : x
2. Step 2: Convert to fraction form
   3,881,896/8,165,369 = 8,165,369/x
3. Step 3: Cross multiply
   3,881,896x = 8,165,369 × 8,165,369
4. Step 4: Simplify right side
   3,881,896x = 66,673,250,906,161
5. Step 5: Solve for x
   x = 66,673,250,906,161/3,881,896
6. Step 6: Final answer
   x = 17,175,434.61