Finding the Third Proportional to 1,648,684 and 3,587,692

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648,684 : 3,587,692 = 3,587,692 : x
2. Step 2: Convert to fraction form
   1,648,684/3,587,692 = 3,587,692/x
3. Step 3: Cross multiply
   1,648,684x = 3,587,692 × 3,587,692
4. Step 4: Simplify right side
   1,648,684x = 12,871,533,886,864
5. Step 5: Solve for x
   x = 12,871,533,886,864/1,648,684
6. Step 6: Final answer
   x = 7,807,156.43