Finding the Third Proportional to 2,525,661 and 5,540,262

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525,661 : 5,540,262 = 5,540,262 : x
2. Step 2: Convert to fraction form
   2,525,661/5,540,262 = 5,540,262/x
3. Step 3: Cross multiply
   2,525,661x = 5,540,262 × 5,540,262
4. Step 4: Simplify right side
   2,525,661x = 30,694,503,028,644
5. Step 5: Solve for x
   x = 30,694,503,028,644/2,525,661
6. Step 6: Final answer
   x = 12,153,057.37