Finding the Third Proportional to 2,169,474 and 4,518,512

Step by Step Solution

1. Step 1: Write the proportion equation
   2,169,474 : 4,518,512 = 4,518,512 : x
2. Step 2: Convert to fraction form
   2,169,474/4,518,512 = 4,518,512/x
3. Step 3: Cross multiply
   2,169,474x = 4,518,512 × 4,518,512
4. Step 4: Simplify right side
   2,169,474x = 20,416,950,694,144
5. Step 5: Solve for x
   x = 20,416,950,694,144/2,169,474
6. Step 6: Final answer
   x = 9,411,014.23