Finding the Third Proportional to 1,401,778 and 2,196,085

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401,778 : 2,196,085 = 2,196,085 : x
2. Step 2: Convert to fraction form
   1,401,778/2,196,085 = 2,196,085/x
3. Step 3: Cross multiply
   1,401,778x = 2,196,085 × 2,196,085
4. Step 4: Simplify right side
   1,401,778x = 4,822,789,327,225
5. Step 5: Solve for x
   x = 4,822,789,327,225/1,401,778
6. Step 6: Final answer
   x = 3,440,480.11