Finding the Third Proportional to 505,384 and 1,089,492

Step by Step Solution

1. Step 1: Write the proportion equation
   505,384 : 1,089,492 = 1,089,492 : x
2. Step 2: Convert to fraction form
   505,384/1,089,492 = 1,089,492/x
3. Step 3: Cross multiply
   505,384x = 1,089,492 × 1,089,492
4. Step 4: Simplify right side
   505,384x = 1,186,992,818,064
5. Step 5: Solve for x
   x = 1,186,992,818,064/505,384
6. Step 6: Final answer
   x = 2,348,694.89