Finding the Third Proportional to 1,675,820 and 3,587,830

Step by Step Solution

1. Step 1: Write the proportion equation
   1,675,820 : 3,587,830 = 3,587,830 : x
2. Step 2: Convert to fraction form
   1,675,820/3,587,830 = 3,587,830/x
3. Step 3: Cross multiply
   1,675,820x = 3,587,830 × 3,587,830
4. Step 4: Simplify right side
   1,675,820x = 12,872,524,108,900
5. Step 5: Solve for x
   x = 12,872,524,108,900/1,675,820
6. Step 6: Final answer
   x = 7,681,328.61