Finding the Third Proportional to 3,666,197 and 5,546,471

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666,197 : 5,546,471 = 5,546,471 : x
2. Step 2: Convert to fraction form
   3,666,197/5,546,471 = 5,546,471/x
3. Step 3: Cross multiply
   3,666,197x = 5,546,471 × 5,546,471
4. Step 4: Simplify right side
   3,666,197x = 30,763,340,553,841
5. Step 5: Solve for x
   x = 30,763,340,553,841/3,666,197
6. Step 6: Final answer
   x = 8,391,076.79