Finding the Third Proportional to 804,569 and 1,215,055

Step by Step Solution

1. Step 1: Write the proportion equation
   804,569 : 1,215,055 = 1,215,055 : x
2. Step 2: Convert to fraction form
   804,569/1,215,055 = 1,215,055/x
3. Step 3: Cross multiply
   804,569x = 1,215,055 × 1,215,055
4. Step 4: Simplify right side
   804,569x = 1,476,358,653,025
5. Step 5: Solve for x
   x = 1,476,358,653,025/804,569
6. Step 6: Final answer
   x = 1,834,968.35