Finding the Third Proportional to 1,918,932 and 3,973,728

Step by Step Solution

1. Step 1: Write the proportion equation
   1,918,932 : 3,973,728 = 3,973,728 : x
2. Step 2: Convert to fraction form
   1,918,932/3,973,728 = 3,973,728/x
3. Step 3: Cross multiply
   1,918,932x = 3,973,728 × 3,973,728
4. Step 4: Simplify right side
   1,918,932x = 15,790,514,217,984
5. Step 5: Solve for x
   x = 15,790,514,217,984/1,918,932
6. Step 6: Final answer
   x = 8,228,803.43