Finding the Third Proportional to 3,138,832 and 4,848,216

Step by Step Solution

1. Step 1: Write the proportion equation
   3,138,832 : 4,848,216 = 4,848,216 : x
2. Step 2: Convert to fraction form
   3,138,832/4,848,216 = 4,848,216/x
3. Step 3: Cross multiply
   3,138,832x = 4,848,216 × 4,848,216
4. Step 4: Simplify right side
   3,138,832x = 23,505,198,382,656
5. Step 5: Solve for x
   x = 23,505,198,382,656/3,138,832
6. Step 6: Final answer
   x = 7,488,517.51