Finding the Third Proportional to 123,318 and 266,060

Step by Step Solution

1. Step 1: Write the proportion equation
   123,318 : 266,060 = 266,060 : x
2. Step 2: Convert to fraction form
   123,318/266,060 = 266,060/x
3. Step 3: Cross multiply
   123,318x = 266,060 × 266,060
4. Step 4: Simplify right side
   123,318x = 70,787,923,600
5. Step 5: Solve for x
   x = 70,787,923,600/123,318
6. Step 6: Final answer
   x = 574,027.50