Finding the Third Proportional to 804,575 and 1,215,064

Step by Step Solution

1. Step 1: Write the proportion equation
   804,575 : 1,215,064 = 1,215,064 : x
2. Step 2: Convert to fraction form
   804,575/1,215,064 = 1,215,064/x
3. Step 3: Cross multiply
   804,575x = 1,215,064 × 1,215,064
4. Step 4: Simplify right side
   804,575x = 1,476,380,524,096
5. Step 5: Solve for x
   x = 1,476,380,524,096/804,575
6. Step 6: Final answer
   x = 1,834,981.85