Finding the Third Proportional to 2,460,669 and 5,405,286

Step by Step Solution

1. Step 1: Write the proportion equation
   2,460,669 : 5,405,286 = 5,405,286 : x
2. Step 2: Convert to fraction form
   2,460,669/5,405,286 = 5,405,286/x
3. Step 3: Cross multiply
   2,460,669x = 5,405,286 × 5,405,286
4. Step 4: Simplify right side
   2,460,669x = 29,217,116,741,796
5. Step 5: Solve for x
   x = 29,217,116,741,796/2,460,669
6. Step 6: Final answer
   x = 11,873,647.67