Finding the Third Proportional to 3,090,904 and 4,728,144

Step by Step Solution

1. Step 1: Write the proportion equation
   3,090,904 : 4,728,144 = 4,728,144 : x
2. Step 2: Convert to fraction form
   3,090,904/4,728,144 = 4,728,144/x
3. Step 3: Cross multiply
   3,090,904x = 4,728,144 × 4,728,144
4. Step 4: Simplify right side
   3,090,904x = 22,355,345,684,736
5. Step 5: Solve for x
   x = 22,355,345,684,736/3,090,904
6. Step 6: Final answer
   x = 7,232,623.75