Finding the Third Proportional to 2,171,880 and 4,675,176

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,880 : 4,675,176 = 4,675,176 : x
2. Step 2: Convert to fraction form
   2,171,880/4,675,176 = 4,675,176/x
3. Step 3: Cross multiply
   2,171,880x = 4,675,176 × 4,675,176
4. Step 4: Simplify right side
   2,171,880x = 21,857,270,630,976
5. Step 5: Solve for x
   x = 21,857,270,630,976/2,171,880
6. Step 6: Final answer
   x = 10,063,756.11