Finding the Third Proportional to 802,885 and 1,089,871

Step by Step Solution

1. Step 1: Write the proportion equation
   802,885 : 1,089,871 = 1,089,871 : x
2. Step 2: Convert to fraction form
   802,885/1,089,871 = 1,089,871/x
3. Step 3: Cross multiply
   802,885x = 1,089,871 × 1,089,871
4. Step 4: Simplify right side
   802,885x = 1,187,818,796,641
5. Step 5: Solve for x
   x = 1,187,818,796,641/802,885
6. Step 6: Final answer
   x = 1,479,438.27