Finding the Third Proportional to 1,871,920 and 4,042,724

Step by Step Solution

1. Step 1: Write the proportion equation
   1,871,920 : 4,042,724 = 4,042,724 : x
2. Step 2: Convert to fraction form
   1,871,920/4,042,724 = 4,042,724/x
3. Step 3: Cross multiply
   1,871,920x = 4,042,724 × 4,042,724
4. Step 4: Simplify right side
   1,871,920x = 16,343,617,340,176
5. Step 5: Solve for x
   x = 16,343,617,340,176/1,871,920
6. Step 6: Final answer
   x = 8,730,937.94