Finding the Third Proportional to 4,012,647 and 8,944,308

Step by Step Solution

1. Step 1: Write the proportion equation
   4,012,647 : 8,944,308 = 8,944,308 : x
2. Step 2: Convert to fraction form
   4,012,647/8,944,308 = 8,944,308/x
3. Step 3: Cross multiply
   4,012,647x = 8,944,308 × 8,944,308
4. Step 4: Simplify right side
   4,012,647x = 80,000,645,598,864
5. Step 5: Solve for x
   x = 80,000,645,598,864/4,012,647
6. Step 6: Final answer
   x = 19,937,125.19