Finding the Third Proportional to 505,419 and 1,099,412

Step by Step Solution

1. Step 1: Write the proportion equation
   505,419 : 1,099,412 = 1,099,412 : x
2. Step 2: Convert to fraction form
   505,419/1,099,412 = 1,099,412/x
3. Step 3: Cross multiply
   505,419x = 1,099,412 × 1,099,412
4. Step 4: Simplify right side
   505,419x = 1,208,706,745,744
5. Step 5: Solve for x
   x = 1,208,706,745,744/505,419
6. Step 6: Final answer
   x = 2,391,494.47