Finding the Third Proportional to 2,515,821 and 5,525,882

Step by Step Solution

1. Step 1: Write the proportion equation
   2,515,821 : 5,525,882 = 5,525,882 : x
2. Step 2: Convert to fraction form
   2,515,821/5,525,882 = 5,525,882/x
3. Step 3: Cross multiply
   2,515,821x = 5,525,882 × 5,525,882
4. Step 4: Simplify right side
   2,515,821x = 30,535,371,877,924
5. Step 5: Solve for x
   x = 30,535,371,877,924/2,515,821
6. Step 6: Final answer
   x = 12,137,338.82