Finding the Third Proportional to 3,839,406 and 8,264,118

Step by Step Solution

1. Step 1: Write the proportion equation
   3,839,406 : 8,264,118 = 8,264,118 : x
2. Step 2: Convert to fraction form
   3,839,406/8,264,118 = 8,264,118/x
3. Step 3: Cross multiply
   3,839,406x = 8,264,118 × 8,264,118
4. Step 4: Simplify right side
   3,839,406x = 68,295,646,317,924
5. Step 5: Solve for x
   x = 68,295,646,317,924/3,839,406
6. Step 6: Final answer
   x = 17,788,076.15