Finding the Third Proportional to 123,613.50 and 266,424

Step by Step Solution

1. Step 1: Write the proportion equation
   123,613.50 : 266,424 = 266,424 : x
2. Step 2: Convert to fraction form
   123,613.50/266,424 = 266,424/x
3. Step 3: Cross multiply
   123,613.50x = 266,424 × 266,424
4. Step 4: Simplify right side
   123,613.50x = 70,981,747,776
5. Step 5: Solve for x
   x = 70,981,747,776/123,613.50
6. Step 6: Final answer
   x = 574,223.27