Finding the Third Proportional to 3,839,392 and 8,401,954

Step by Step Solution

1. Step 1: Write the proportion equation
   3,839,392 : 8,401,954 = 8,401,954 : x
2. Step 2: Convert to fraction form
   3,839,392/8,401,954 = 8,401,954/x
3. Step 3: Cross multiply
   3,839,392x = 8,401,954 × 8,401,954
4. Step 4: Simplify right side
   3,839,392x = 70,592,831,018,116
5. Step 5: Solve for x
   x = 70,592,831,018,116/3,839,392
6. Step 6: Final answer
   x = 18,386,460.93