Finding the Third Proportional to 123,610 and 266,930

Step by Step Solution

1. Step 1: Write the proportion equation
   123,610 : 266,930 = 266,930 : x
2. Step 2: Convert to fraction form
   123,610/266,930 = 266,930/x
3. Step 3: Cross multiply
   123,610x = 266,930 × 266,930
4. Step 4: Simplify right side
   123,610x = 71,251,624,900
5. Step 5: Solve for x
   x = 71,251,624,900/123,610
6. Step 6: Final answer
   x = 576,422.82