Finding the Third Proportional to 582,659 and 787,222

Step by Step Solution

1. Step 1: Write the proportion equation
   582,659 : 787,222 = 787,222 : x
2. Step 2: Convert to fraction form
   582,659/787,222 = 787,222/x
3. Step 3: Cross multiply
   582,659x = 787,222 × 787,222
4. Step 4: Simplify right side
   582,659x = 619,718,477,284
5. Step 5: Solve for x
   x = 619,718,477,284/582,659
6. Step 6: Final answer
   x = 1,063,604.06