Finding the Third Proportional to 1,175,778 and 1,718,291

Step by Step Solution

1. Step 1: Write the proportion equation
   1,175,778 : 1,718,291 = 1,718,291 : x
2. Step 2: Convert to fraction form
   1,175,778/1,718,291 = 1,718,291/x
3. Step 3: Cross multiply
   1,175,778x = 1,718,291 × 1,718,291
4. Step 4: Simplify right side
   1,175,778x = 2,952,523,960,681
5. Step 5: Solve for x
   x = 2,952,523,960,681/1,175,778
6. Step 6: Final answer
   x = 2,511,123.67