Finding the Third Proportional to 1,553,080 and 3,181,443

Step by Step Solution

1. Step 1: Write the proportion equation
   1,553,080 : 3,181,443 = 3,181,443 : x
2. Step 2: Convert to fraction form
   1,553,080/3,181,443 = 3,181,443/x
3. Step 3: Cross multiply
   1,553,080x = 3,181,443 × 3,181,443
4. Step 4: Simplify right side
   1,553,080x = 10,121,579,562,249
5. Step 5: Solve for x
   x = 10,121,579,562,249/1,553,080
6. Step 6: Final answer
   x = 6,517,101.22