Finding the Third Proportional to 3,840,400 and 8,296,928

Step by Step Solution

1. Step 1: Write the proportion equation
   3,840,400 : 8,296,928 = 8,296,928 : x
2. Step 2: Convert to fraction form
   3,840,400/8,296,928 = 8,296,928/x
3. Step 3: Cross multiply
   3,840,400x = 8,296,928 × 8,296,928
4. Step 4: Simplify right side
   3,840,400x = 68,839,014,237,184
5. Step 5: Solve for x
   x = 68,839,014,237,184/3,840,400
6. Step 6: Final answer
   x = 17,924,959.44