Finding the Third Proportional to 2,216,901 and 4,775,658

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216,901 : 4,775,658 = 4,775,658 : x
2. Step 2: Convert to fraction form
   2,216,901/4,775,658 = 4,775,658/x
3. Step 3: Cross multiply
   2,216,901x = 4,775,658 × 4,775,658
4. Step 4: Simplify right side
   2,216,901x = 22,806,909,332,964
5. Step 5: Solve for x
   x = 22,806,909,332,964/2,216,901
6. Step 6: Final answer
   x = 10,287,743.72