Finding the Third Proportional to 675,488 and 1,054,128

Step by Step Solution

1. Step 1: Write the proportion equation
   675,488 : 1,054,128 = 1,054,128 : x
2. Step 2: Convert to fraction form
   675,488/1,054,128 = 1,054,128/x
3. Step 3: Cross multiply
   675,488x = 1,054,128 × 1,054,128
4. Step 4: Simplify right side
   675,488x = 1,111,185,840,384
5. Step 5: Solve for x
   x = 1,111,185,840,384/675,488
6. Step 6: Final answer
   x = 1,645,011.96