Finding the Third Proportional to 2,111,376 and 4,297,600

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,376 : 4,297,600 = 4,297,600 : x
2. Step 2: Convert to fraction form
   2,111,376/4,297,600 = 4,297,600/x
3. Step 3: Cross multiply
   2,111,376x = 4,297,600 × 4,297,600
4. Step 4: Simplify right side
   2,111,376x = 18,469,365,760,000
5. Step 5: Solve for x
   x = 18,469,365,760,000/2,111,376
6. Step 6: Final answer
   x = 8,747,549.35