Finding the Third Proportional to 4,012,653 and 8,944,320

Step by Step Solution

1. Step 1: Write the proportion equation
   4,012,653 : 8,944,320 = 8,944,320 : x
2. Step 2: Convert to fraction form
   4,012,653/8,944,320 = 8,944,320/x
3. Step 3: Cross multiply
   4,012,653x = 8,944,320 × 8,944,320
4. Step 4: Simplify right side
   4,012,653x = 80,000,860,262,400
5. Step 5: Solve for x
   x = 80,000,860,262,400/4,012,653
6. Step 6: Final answer
   x = 19,937,148.88