Finding the Third Proportional to 408,784.50 and 879,723

Step by Step Solution

1. Step 1: Write the proportion equation
   408,784.50 : 879,723 = 879,723 : x
2. Step 2: Convert to fraction form
   408,784.50/879,723 = 879,723/x
3. Step 3: Cross multiply
   408,784.50x = 879,723 × 879,723
4. Step 4: Simplify right side
   408,784.50x = 773,912,556,729
5. Step 5: Solve for x
   x = 773,912,556,729/408,784.50
6. Step 6: Final answer
   x = 1,893,204.26