Finding the Third Proportional to 582,456 and 879,030

Step by Step Solution

1. Step 1: Write the proportion equation
   582,456 : 879,030 = 879,030 : x
2. Step 2: Convert to fraction form
   582,456/879,030 = 879,030/x
3. Step 3: Cross multiply
   582,456x = 879,030 × 879,030
4. Step 4: Simplify right side
   582,456x = 772,693,740,900
5. Step 5: Solve for x
   x = 772,693,740,900/582,456
6. Step 6: Final answer
   x = 1,326,613.07