Finding the Third Proportional to 3,558,897 and 5,515,308

Step by Step Solution

1. Step 1: Write the proportion equation
   3,558,897 : 5,515,308 = 5,515,308 : x
2. Step 2: Convert to fraction form
   3,558,897/5,515,308 = 5,515,308/x
3. Step 3: Cross multiply
   3,558,897x = 5,515,308 × 5,515,308
4. Step 4: Simplify right side
   3,558,897x = 30,418,622,334,864
5. Step 5: Solve for x
   x = 30,418,622,334,864/3,558,897
6. Step 6: Final answer
   x = 8,547,205.03