Finding the Third Proportional to 3,090,908 and 4,728,148

Step by Step Solution

1. Step 1: Write the proportion equation
   3,090,908 : 4,728,148 = 4,728,148 : x
2. Step 2: Convert to fraction form
   3,090,908/4,728,148 = 4,728,148/x
3. Step 3: Cross multiply
   3,090,908x = 4,728,148 × 4,728,148
4. Step 4: Simplify right side
   3,090,908x = 22,355,383,509,904
5. Step 5: Solve for x
   x = 22,355,383,509,904/3,090,908
6. Step 6: Final answer
   x = 7,232,626.63