Finding the Third Proportional to 3,118,448 and 4,664,928

Step by Step Solution

1. Step 1: Write the proportion equation
   3,118,448 : 4,664,928 = 4,664,928 : x
2. Step 2: Convert to fraction form
   3,118,448/4,664,928 = 4,664,928/x
3. Step 3: Cross multiply
   3,118,448x = 4,664,928 × 4,664,928
4. Step 4: Simplify right side
   3,118,448x = 21,761,553,245,184
5. Step 5: Solve for x
   x = 21,761,553,245,184/3,118,448
6. Step 6: Final answer
   x = 6,978,328.08