Finding the Third Proportional to 123,159 and 266,558.25

Step by Step Solution

1. Step 1: Write the proportion equation
   123,159 : 266,558.25 = 266,558.25 : x
2. Step 2: Convert to fraction form
   123,159/266,558.25 = 266,558.25/x
3. Step 3: Cross multiply
   123,159x = 266,558.25 × 266,558.25
4. Step 4: Simplify right side
   123,159x = 71,053,300,643.06
5. Step 5: Solve for x
   x = 71,053,300,643.06/123,159
6. Step 6: Final answer
   x = 576,923.33