Finding the Third Proportional to 804,580 and 1,215,071

Step by Step Solution

1. Step 1: Write the proportion equation
   804,580 : 1,215,071 = 1,215,071 : x
2. Step 2: Convert to fraction form
   804,580/1,215,071 = 1,215,071/x
3. Step 3: Cross multiply
   804,580x = 1,215,071 × 1,215,071
4. Step 4: Simplify right side
   804,580x = 1,476,397,535,041
5. Step 5: Solve for x
   x = 1,476,397,535,041/804,580
6. Step 6: Final answer
   x = 1,834,991.59