Finding the Third Proportional to 505,422 and 1,099,418

Step by Step Solution

1. Step 1: Write the proportion equation
   505,422 : 1,099,418 = 1,099,418 : x
2. Step 2: Convert to fraction form
   505,422/1,099,418 = 1,099,418/x
3. Step 3: Cross multiply
   505,422x = 1,099,418 × 1,099,418
4. Step 4: Simplify right side
   505,422x = 1,208,719,938,724
5. Step 5: Solve for x
   x = 1,208,719,938,724/505,422
6. Step 6: Final answer
   x = 2,391,506.38