Finding the Third Proportional to 2,685,659 and 5,234,266

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685,659 : 5,234,266 = 5,234,266 : x
2. Step 2: Convert to fraction form
   2,685,659/5,234,266 = 5,234,266/x
3. Step 3: Cross multiply
   2,685,659x = 5,234,266 × 5,234,266
4. Step 4: Simplify right side
   2,685,659x = 27,397,540,558,756
5. Step 5: Solve for x
   x = 27,397,540,558,756/2,685,659
6. Step 6: Final answer
   x = 10,201,421.91