Finding the Third Proportional to 487,746 and 1,028,628

Step by Step Solution

1. Step 1: Write the proportion equation
   487,746 : 1,028,628 = 1,028,628 : x
2. Step 2: Convert to fraction form
   487,746/1,028,628 = 1,028,628/x
3. Step 3: Cross multiply
   487,746x = 1,028,628 × 1,028,628
4. Step 4: Simplify right side
   487,746x = 1,058,075,562,384
5. Step 5: Solve for x
   x = 1,058,075,562,384/487,746
6. Step 6: Final answer
   x = 2,169,316.74