Finding the Third Proportional to 1,170,778 and 1,765,401

Step by Step Solution

1. Step 1: Write the proportion equation
   1,170,778 : 1,765,401 = 1,765,401 : x
2. Step 2: Convert to fraction form
   1,170,778/1,765,401 = 1,765,401/x
3. Step 3: Cross multiply
   1,170,778x = 1,765,401 × 1,765,401
4. Step 4: Simplify right side
   1,170,778x = 3,116,640,690,801
5. Step 5: Solve for x
   x = 3,116,640,690,801/1,170,778
6. Step 6: Final answer
   x = 2,662,025.33