Finding the Third Proportional to 2,216,513 and 4,786,671

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216,513 : 4,786,671 = 4,786,671 : x
2. Step 2: Convert to fraction form
   2,216,513/4,786,671 = 4,786,671/x
3. Step 3: Cross multiply
   2,216,513x = 4,786,671 × 4,786,671
4. Step 4: Simplify right side
   2,216,513x = 22,912,219,262,241
5. Step 5: Solve for x
   x = 22,912,219,262,241/2,216,513
6. Step 6: Final answer
   x = 10,337,056.12