Finding the Third Proportional to 505,359 and 1,089,450

Step by Step Solution

1. Step 1: Write the proportion equation
   505,359 : 1,089,450 = 1,089,450 : x
2. Step 2: Convert to fraction form
   505,359/1,089,450 = 1,089,450/x
3. Step 3: Cross multiply
   505,359x = 1,089,450 × 1,089,450
4. Step 4: Simplify right side
   505,359x = 1,186,901,302,500
5. Step 5: Solve for x
   x = 1,186,901,302,500/505,359
6. Step 6: Final answer
   x = 2,348,629.99