Finding the Third Proportional to 422,338 and 879,500

Step by Step Solution

1. Step 1: Write the proportion equation
   422,338 : 879,500 = 879,500 : x
2. Step 2: Convert to fraction form
   422,338/879,500 = 879,500/x
3. Step 3: Cross multiply
   422,338x = 879,500 × 879,500
4. Step 4: Simplify right side
   422,338x = 773,520,250,000
5. Step 5: Solve for x
   x = 773,520,250,000/422,338
6. Step 6: Final answer
   x = 1,831,519.42