Finding the Third Proportional to 234,018 and 486,028

Step by Step Solution

1. Step 1: Write the proportion equation
   234,018 : 486,028 = 486,028 : x
2. Step 2: Convert to fraction form
   234,018/486,028 = 486,028/x
3. Step 3: Cross multiply
   234,018x = 486,028 × 486,028
4. Step 4: Simplify right side
   234,018x = 236,223,216,784
5. Step 5: Solve for x
   x = 236,223,216,784/234,018
6. Step 6: Final answer
   x = 1,009,423.28