Finding the Third Proportional to 3,642,648 and 5,345,874

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642,648 : 5,345,874 = 5,345,874 : x
2. Step 2: Convert to fraction form
   3,642,648/5,345,874 = 5,345,874/x
3. Step 3: Cross multiply
   3,642,648x = 5,345,874 × 5,345,874
4. Step 4: Simplify right side
   3,642,648x = 28,578,368,823,876
5. Step 5: Solve for x
   x = 28,578,368,823,876/3,642,648
6. Step 6: Final answer
   x = 7,845,492.85