Finding the Third Proportional to 2,216,530 and 4,787,353

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216,530 : 4,787,353 = 4,787,353 : x
2. Step 2: Convert to fraction form
   2,216,530/4,787,353 = 4,787,353/x
3. Step 3: Cross multiply
   2,216,530x = 4,787,353 × 4,787,353
4. Step 4: Simplify right side
   2,216,530x = 22,918,748,746,609
5. Step 5: Solve for x
   x = 22,918,748,746,609/2,216,530
6. Step 6: Final answer
   x = 10,339,922.65