Finding the Third Proportional to 804,946 and 1,089,321

Step by Step Solution

1. Step 1: Write the proportion equation
   804,946 : 1,089,321 = 1,089,321 : x
2. Step 2: Convert to fraction form
   804,946/1,089,321 = 1,089,321/x
3. Step 3: Cross multiply
   804,946x = 1,089,321 × 1,089,321
4. Step 4: Simplify right side
   804,946x = 1,186,620,241,041
5. Step 5: Solve for x
   x = 1,186,620,241,041/804,946
6. Step 6: Final answer
   x = 1,474,161.30