Finding the Third Proportional to 123,953.50 and 268,515

Step by Step Solution

1. Step 1: Write the proportion equation
   123,953.50 : 268,515 = 268,515 : x
2. Step 2: Convert to fraction form
   123,953.50/268,515 = 268,515/x
3. Step 3: Cross multiply
   123,953.50x = 268,515 × 268,515
4. Step 4: Simplify right side
   123,953.50x = 72,100,305,225
5. Step 5: Solve for x
   x = 72,100,305,225/123,953.50
6. Step 6: Final answer
   x = 581,672.20