Finding the Third Proportional to 579,520 and 886,499

Step by Step Solution

1. Step 1: Write the proportion equation
   579,520 : 886,499 = 886,499 : x
2. Step 2: Convert to fraction form
   579,520/886,499 = 886,499/x
3. Step 3: Cross multiply
   579,520x = 886,499 × 886,499
4. Step 4: Simplify right side
   579,520x = 785,880,477,001
5. Step 5: Solve for x
   x = 785,880,477,001/579,520
6. Step 6: Final answer
   x = 1,356,088.62