Finding the Third Proportional to 1,768,644 and 3,789,648

Step by Step Solution

1. Step 1: Write the proportion equation
   1,768,644 : 3,789,648 = 3,789,648 : x
2. Step 2: Convert to fraction form
   1,768,644/3,789,648 = 3,789,648/x
3. Step 3: Cross multiply
   1,768,644x = 3,789,648 × 3,789,648
4. Step 4: Simplify right side
   1,768,644x = 14,361,431,963,904
5. Step 5: Solve for x
   x = 14,361,431,963,904/1,768,644
6. Step 6: Final answer
   x = 8,120,024.13