Finding the Third Proportional to 1,018,602 and 2,158,628

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,602 : 2,158,628 = 2,158,628 : x
2. Step 2: Convert to fraction form
   1,018,602/2,158,628 = 2,158,628/x
3. Step 3: Cross multiply
   1,018,602x = 2,158,628 × 2,158,628
4. Step 4: Simplify right side
   1,018,602x = 4,659,674,842,384
5. Step 5: Solve for x
   x = 4,659,674,842,384/1,018,602
6. Step 6: Final answer
   x = 4,574,578.53