Finding the Third Proportional to 3,544,570 and 5,315,557

Step by Step Solution

1. Step 1: Write the proportion equation
   3,544,570 : 5,315,557 = 5,315,557 : x
2. Step 2: Convert to fraction form
   3,544,570/5,315,557 = 5,315,557/x
3. Step 3: Cross multiply
   3,544,570x = 5,315,557 × 5,315,557
4. Step 4: Simplify right side
   3,544,570x = 28,255,146,220,249
5. Step 5: Solve for x
   x = 28,255,146,220,249/3,544,570
6. Step 6: Final answer
   x = 7,971,388.98