Finding the Third Proportional to 486,695.25 and 726,003

Step by Step Solution

1. Step 1: Write the proportion equation
   486,695.25 : 726,003 = 726,003 : x
2. Step 2: Convert to fraction form
   486,695.25/726,003 = 726,003/x
3. Step 3: Cross multiply
   486,695.25x = 726,003 × 726,003
4. Step 4: Simplify right side
   486,695.25x = 527,080,356,009
5. Step 5: Solve for x
   x = 527,080,356,009/486,695.25
6. Step 6: Final answer
   x = 1,082,978.22