Finding the Third Proportional to 3,558,894 and 5,515,305

Step by Step Solution

1. Step 1: Write the proportion equation
   3,558,894 : 5,515,305 = 5,515,305 : x
2. Step 2: Convert to fraction form
   3,558,894/5,515,305 = 5,515,305/x
3. Step 3: Cross multiply
   3,558,894x = 5,515,305 × 5,515,305
4. Step 4: Simplify right side
   3,558,894x = 30,418,589,243,025
5. Step 5: Solve for x
   x = 30,418,589,243,025/3,558,894
6. Step 6: Final answer
   x = 8,547,202.94