Finding the Third Proportional to 3,720,570 and 5,580,801

Step by Step Solution

1. Step 1: Write the proportion equation
   3,720,570 : 5,580,801 = 5,580,801 : x
2. Step 2: Convert to fraction form
   3,720,570/5,580,801 = 5,580,801/x
3. Step 3: Cross multiply
   3,720,570x = 5,580,801 × 5,580,801
4. Step 4: Simplify right side
   3,720,570x = 31,145,339,801,601
5. Step 5: Solve for x
   x = 31,145,339,801,601/3,720,570
6. Step 6: Final answer
   x = 8,371,120.50