Finding the Third Proportional to 1,993,980 and 4,348,860

Step by Step Solution

1. Step 1: Write the proportion equation
   1,993,980 : 4,348,860 = 4,348,860 : x
2. Step 2: Convert to fraction form
   1,993,980/4,348,860 = 4,348,860/x
3. Step 3: Cross multiply
   1,993,980x = 4,348,860 × 4,348,860
4. Step 4: Simplify right side
   1,993,980x = 18,912,583,299,600
5. Step 5: Solve for x
   x = 18,912,583,299,600/1,993,980
6. Step 6: Final answer
   x = 9,484,841.02