Finding the Third Proportional to 804,912 and 1,089,270

Step by Step Solution

1. Step 1: Write the proportion equation
   804,912 : 1,089,270 = 1,089,270 : x
2. Step 2: Convert to fraction form
   804,912/1,089,270 = 1,089,270/x
3. Step 3: Cross multiply
   804,912x = 1,089,270 × 1,089,270
4. Step 4: Simplify right side
   804,912x = 1,186,509,132,900
5. Step 5: Solve for x
   x = 1,186,509,132,900/804,912
6. Step 6: Final answer
   x = 1,474,085.53