Finding the Third Proportional to 2,515,823 and 5,525,886

Step by Step Solution

1. Step 1: Write the proportion equation
   2,515,823 : 5,525,886 = 5,525,886 : x
2. Step 2: Convert to fraction form
   2,515,823/5,525,886 = 5,525,886/x
3. Step 3: Cross multiply
   2,515,823x = 5,525,886 × 5,525,886
4. Step 4: Simplify right side
   2,515,823x = 30,535,416,084,996
5. Step 5: Solve for x
   x = 30,535,416,084,996/2,515,823
6. Step 6: Final answer
   x = 12,137,346.74