Finding the Third Proportional to 1,139,364 and 1,771,266

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,364 : 1,771,266 = 1,771,266 : x
2. Step 2: Convert to fraction form
   1,139,364/1,771,266 = 1,771,266/x
3. Step 3: Cross multiply
   1,139,364x = 1,771,266 × 1,771,266
4. Step 4: Simplify right side
   1,139,364x = 3,137,383,242,756
5. Step 5: Solve for x
   x = 3,137,383,242,756/1,139,364
6. Step 6: Final answer
   x = 2,753,626.80