Finding the Third Proportional to 2,185,248 and 4,729,920

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185,248 : 4,729,920 = 4,729,920 : x
2. Step 2: Convert to fraction form
   2,185,248/4,729,920 = 4,729,920/x
3. Step 3: Cross multiply
   2,185,248x = 4,729,920 × 4,729,920
4. Step 4: Simplify right side
   2,185,248x = 22,372,143,206,400
5. Step 5: Solve for x
   x = 22,372,143,206,400/2,185,248
6. Step 6: Final answer
   x = 10,237,805.14