Finding the Third Proportional to 2,216,612 and 4,775,170

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216,612 : 4,775,170 = 4,775,170 : x
2. Step 2: Convert to fraction form
   2,216,612/4,775,170 = 4,775,170/x
3. Step 3: Cross multiply
   2,216,612x = 4,775,170 × 4,775,170
4. Step 4: Simplify right side
   2,216,612x = 22,802,248,528,900
5. Step 5: Solve for x
   x = 22,802,248,528,900/2,216,612
6. Step 6: Final answer
   x = 10,286,982.35