Finding the Third Proportional to 3,980,540 and 5,964,555

Step by Step Solution

1. Step 1: Write the proportion equation
   3,980,540 : 5,964,555 = 5,964,555 : x
2. Step 2: Convert to fraction form
   3,980,540/5,964,555 = 5,964,555/x
3. Step 3: Cross multiply
   3,980,540x = 5,964,555 × 5,964,555
4. Step 4: Simplify right side
   3,980,540x = 35,575,916,348,025
5. Step 5: Solve for x
   x = 35,575,916,348,025/3,980,540
6. Step 6: Final answer
   x = 8,937,459.83