Finding the Third Proportional to 3,668,874 and 5,558,715

Step by Step Solution

1. Step 1: Write the proportion equation
   3,668,874 : 5,558,715 = 5,558,715 : x
2. Step 2: Convert to fraction form
   3,668,874/5,558,715 = 5,558,715/x
3. Step 3: Cross multiply
   3,668,874x = 5,558,715 × 5,558,715
4. Step 4: Simplify right side
   3,668,874x = 30,899,312,451,225
5. Step 5: Solve for x
   x = 30,899,312,451,225/3,668,874
6. Step 6: Final answer
   x = 8,422,015.16