Finding the Third Proportional to 804,892 and 1,089,240

Step by Step Solution

1. Step 1: Write the proportion equation
   804,892 : 1,089,240 = 1,089,240 : x
2. Step 2: Convert to fraction form
   804,892/1,089,240 = 1,089,240/x
3. Step 3: Cross multiply
   804,892x = 1,089,240 × 1,089,240
4. Step 4: Simplify right side
   804,892x = 1,186,443,777,600
5. Step 5: Solve for x
   x = 1,186,443,777,600/804,892
6. Step 6: Final answer
   x = 1,474,040.96