Finding the Third Proportional to 124,826 and 260,018

Step by Step Solution

1. Step 1: Write the proportion equation
   124,826 : 260,018 = 260,018 : x
2. Step 2: Convert to fraction form
   124,826/260,018 = 260,018/x
3. Step 3: Cross multiply
   124,826x = 260,018 × 260,018
4. Step 4: Simplify right side
   124,826x = 67,609,360,324
5. Step 5: Solve for x
   x = 67,609,360,324/124,826
6. Step 6: Final answer
   x = 541,628.83