Finding the Third Proportional to 3,558,915 and 5,515,335

Step by Step Solution

1. Step 1: Write the proportion equation
   3,558,915 : 5,515,335 = 5,515,335 : x
2. Step 2: Convert to fraction form
   3,558,915/5,515,335 = 5,515,335/x
3. Step 3: Cross multiply
   3,558,915x = 5,515,335 × 5,515,335
4. Step 4: Simplify right side
   3,558,915x = 30,418,920,162,225
5. Step 5: Solve for x
   x = 30,418,920,162,225/3,558,915
6. Step 6: Final answer
   x = 8,547,245.48