Finding the Third Proportional to 505,392 and 1,089,508

Step by Step Solution

1. Step 1: Write the proportion equation
   505,392 : 1,089,508 = 1,089,508 : x
2. Step 2: Convert to fraction form
   505,392/1,089,508 = 1,089,508/x
3. Step 3: Cross multiply
   505,392x = 1,089,508 × 1,089,508
4. Step 4: Simplify right side
   505,392x = 1,187,027,682,064
5. Step 5: Solve for x
   x = 1,187,027,682,064/505,392
6. Step 6: Final answer
   x = 2,348,726.70