Finding the Third Proportional to 123,450 and 266,124

Step by Step Solution

1. Step 1: Write the proportion equation
   123,450 : 266,124 = 266,124 : x
2. Step 2: Convert to fraction form
   123,450/266,124 = 266,124/x
3. Step 3: Cross multiply
   123,450x = 266,124 × 266,124
4. Step 4: Simplify right side
   123,450x = 70,821,983,376
5. Step 5: Solve for x
   x = 70,821,983,376/123,450
6. Step 6: Final answer
   x = 573,689.62