Finding the Third Proportional to 123,417 and 266,028

Step by Step Solution

1. Step 1: Write the proportion equation
   123,417 : 266,028 = 266,028 : x
2. Step 2: Convert to fraction form
   123,417/266,028 = 266,028/x
3. Step 3: Cross multiply
   123,417x = 266,028 × 266,028
4. Step 4: Simplify right side
   123,417x = 70,770,896,784
5. Step 5: Solve for x
   x = 70,770,896,784/123,417
6. Step 6: Final answer
   x = 573,429.08