Finding the Third Proportional to 2,208,390 and 4,764,747

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208,390 : 4,764,747 = 4,764,747 : x
2. Step 2: Convert to fraction form
   2,208,390/4,764,747 = 4,764,747/x
3. Step 3: Cross multiply
   2,208,390x = 4,764,747 × 4,764,747
4. Step 4: Simplify right side
   2,208,390x = 22,702,813,974,009
5. Step 5: Solve for x
   x = 22,702,813,974,009/2,208,390
6. Step 6: Final answer
   x = 10,280,255.74