Finding the Third Proportional to 3,547,557 and 5,480,915

Step by Step Solution

1. Step 1: Write the proportion equation
   3,547,557 : 5,480,915 = 5,480,915 : x
2. Step 2: Convert to fraction form
   3,547,557/5,480,915 = 5,480,915/x
3. Step 3: Cross multiply
   3,547,557x = 5,480,915 × 5,480,915
4. Step 4: Simplify right side
   3,547,557x = 30,040,429,237,225
5. Step 5: Solve for x
   x = 30,040,429,237,225/3,547,557
6. Step 6: Final answer
   x = 8,467,920.10