Finding the Third Proportional to 487,998 and 1,006,128

Step by Step Solution

1. Step 1: Write the proportion equation
   487,998 : 1,006,128 = 1,006,128 : x
2. Step 2: Convert to fraction form
   487,998/1,006,128 = 1,006,128/x
3. Step 3: Cross multiply
   487,998x = 1,006,128 × 1,006,128
4. Step 4: Simplify right side
   487,998x = 1,012,293,552,384
5. Step 5: Solve for x
   x = 1,012,293,552,384/487,998
6. Step 6: Final answer
   x = 2,074,380.54