Finding the Third Proportional to 3,090,906 and 4,728,147

Step by Step Solution

1. Step 1: Write the proportion equation
   3,090,906 : 4,728,147 = 4,728,147 : x
2. Step 2: Convert to fraction form
   3,090,906/4,728,147 = 4,728,147/x
3. Step 3: Cross multiply
   3,090,906x = 4,728,147 × 4,728,147
4. Step 4: Simplify right side
   3,090,906x = 22,355,374,053,609
5. Step 5: Solve for x
   x = 22,355,374,053,609/3,090,906
6. Step 6: Final answer
   x = 7,232,628.25