Finding the Third Proportional to 1,016,660 and 2,172,928

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,660 : 2,172,928 = 2,172,928 : x
2. Step 2: Convert to fraction form
   1,016,660/2,172,928 = 2,172,928/x
3. Step 3: Cross multiply
   1,016,660x = 2,172,928 × 2,172,928
4. Step 4: Simplify right side
   1,016,660x = 4,721,616,093,184
5. Step 5: Solve for x
   x = 4,721,616,093,184/1,016,660
6. Step 6: Final answer
   x = 4,644,243.00