Finding the Third Proportional to 1,458,728 and 2,140,796

Step by Step Solution

1. Step 1: Write the proportion equation
   1,458,728 : 2,140,796 = 2,140,796 : x
2. Step 2: Convert to fraction form
   1,458,728/2,140,796 = 2,140,796/x
3. Step 3: Cross multiply
   1,458,728x = 2,140,796 × 2,140,796
4. Step 4: Simplify right side
   1,458,728x = 4,583,007,513,616
5. Step 5: Solve for x
   x = 4,583,007,513,616/1,458,728
6. Step 6: Final answer
   x = 3,141,783.47