Finding the Third Proportional to 675,498 and 1,054,143

Step by Step Solution

1. Step 1: Write the proportion equation
   675,498 : 1,054,143 = 1,054,143 : x
2. Step 2: Convert to fraction form
   675,498/1,054,143 = 1,054,143/x
3. Step 3: Cross multiply
   675,498x = 1,054,143 × 1,054,143
4. Step 4: Simplify right side
   675,498x = 1,111,217,464,449
5. Step 5: Solve for x
   x = 1,111,217,464,449/675,498
6. Step 6: Final answer
   x = 1,645,034.43