Finding the Third Proportional to 2,166,556 and 4,694,696

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,556 : 4,694,696 = 4,694,696 : x
2. Step 2: Convert to fraction form
   2,166,556/4,694,696 = 4,694,696/x
3. Step 3: Cross multiply
   2,166,556x = 4,694,696 × 4,694,696
4. Step 4: Simplify right side
   2,166,556x = 22,040,170,532,416
5. Step 5: Solve for x
   x = 22,040,170,532,416/2,166,556
6. Step 6: Final answer
   x = 10,172,906.00