Finding the Third Proportional to 2,820,388 and 4,296,678

Step by Step Solution

1. Step 1: Write the proportion equation
   2,820,388 : 4,296,678 = 4,296,678 : x
2. Step 2: Convert to fraction form
   2,820,388/4,296,678 = 4,296,678/x
3. Step 3: Cross multiply
   2,820,388x = 4,296,678 × 4,296,678
4. Step 4: Simplify right side
   2,820,388x = 18,461,441,835,684
5. Step 5: Solve for x
   x = 18,461,441,835,684/2,820,388
6. Step 6: Final answer
   x = 6,545,709.96