Finding the Third Proportional to 3,559,570 and 7,371,489

Step by Step Solution

1. Step 1: Write the proportion equation
   3,559,570 : 7,371,489 = 7,371,489 : x
2. Step 2: Convert to fraction form
   3,559,570/7,371,489 = 7,371,489/x
3. Step 3: Cross multiply
   3,559,570x = 7,371,489 × 7,371,489
4. Step 4: Simplify right side
   3,559,570x = 54,338,850,077,121
5. Step 5: Solve for x
   x = 54,338,850,077,121/3,559,570
6. Step 6: Final answer
   x = 15,265,565.81