Finding the Third Proportional to 3,587,286 and 5,447,361

Step by Step Solution

1. Step 1: Write the proportion equation
   3,587,286 : 5,447,361 = 5,447,361 : x
2. Step 2: Convert to fraction form
   3,587,286/5,447,361 = 5,447,361/x
3. Step 3: Cross multiply
   3,587,286x = 5,447,361 × 5,447,361
4. Step 4: Simplify right side
   3,587,286x = 29,673,741,864,321
5. Step 5: Solve for x
   x = 29,673,741,864,321/3,587,286
6. Step 6: Final answer
   x = 8,271,919.74