Finding the Third Proportional to 2,188,314 and 4,550,580

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188,314 : 4,550,580 = 4,550,580 : x
2. Step 2: Convert to fraction form
   2,188,314/4,550,580 = 4,550,580/x
3. Step 3: Cross multiply
   2,188,314x = 4,550,580 × 4,550,580
4. Step 4: Simplify right side
   2,188,314x = 20,707,778,336,400
5. Step 5: Solve for x
   x = 20,707,778,336,400/2,188,314
6. Step 6: Final answer
   x = 9,462,891.68