Finding the Third Proportional to 3,839,390 and 8,401,950

Step by Step Solution

1. Step 1: Write the proportion equation
   3,839,390 : 8,401,950 = 8,401,950 : x
2. Step 2: Convert to fraction form
   3,839,390/8,401,950 = 8,401,950/x
3. Step 3: Cross multiply
   3,839,390x = 8,401,950 × 8,401,950
4. Step 4: Simplify right side
   3,839,390x = 70,592,763,802,500
5. Step 5: Solve for x
   x = 70,592,763,802,500/3,839,390
6. Step 6: Final answer
   x = 18,386,453.00