Finding the Third Proportional to 1,886,980 and 3,948,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,886,980 : 3,948,920 = 3,948,920 : x
2. Step 2: Convert to fraction form
   1,886,980/3,948,920 = 3,948,920/x
3. Step 3: Cross multiply
   1,886,980x = 3,948,920 × 3,948,920
4. Step 4: Simplify right side
   1,886,980x = 15,593,969,166,400
5. Step 5: Solve for x
   x = 15,593,969,166,400/1,886,980
6. Step 6: Final answer
   x = 8,263,982.22