Finding the Third Proportional to 1,501,728 and 3,109,916

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501,728 : 3,109,916 = 3,109,916 : x
2. Step 2: Convert to fraction form
   1,501,728/3,109,916 = 3,109,916/x
3. Step 3: Cross multiply
   1,501,728x = 3,109,916 × 3,109,916
4. Step 4: Simplify right side
   1,501,728x = 9,671,577,527,056
5. Step 5: Solve for x
   x = 9,671,577,527,056/1,501,728
6. Step 6: Final answer
   x = 6,440,299.13