Finding the Third Proportional to 803,451 and 1,089,959

Step by Step Solution

1. Step 1: Write the proportion equation
   803,451 : 1,089,959 = 1,089,959 : x
2. Step 2: Convert to fraction form
   803,451/1,089,959 = 1,089,959/x
3. Step 3: Cross multiply
   803,451x = 1,089,959 × 1,089,959
4. Step 4: Simplify right side
   803,451x = 1,188,010,621,681
5. Step 5: Solve for x
   x = 1,188,010,621,681/803,451
6. Step 6: Final answer
   x = 1,478,634.82