Finding the Third Proportional to 2,528,957 and 5,539,207

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528,957 : 5,539,207 = 5,539,207 : x
2. Step 2: Convert to fraction form
   2,528,957/5,539,207 = 5,539,207/x
3. Step 3: Cross multiply
   2,528,957x = 5,539,207 × 5,539,207
4. Step 4: Simplify right side
   2,528,957x = 30,682,814,188,849
5. Step 5: Solve for x
   x = 30,682,814,188,849/2,528,957
6. Step 6: Final answer
   x = 12,132,596.24