Finding the Third Proportional to 122,299.50 and 267,015

Step by Step Solution

1. Step 1: Write the proportion equation
   122,299.50 : 267,015 = 267,015 : x
2. Step 2: Convert to fraction form
   122,299.50/267,015 = 267,015/x
3. Step 3: Cross multiply
   122,299.50x = 267,015 × 267,015
4. Step 4: Simplify right side
   122,299.50x = 71,297,010,225
5. Step 5: Solve for x
   x = 71,297,010,225/122,299.50
6. Step 6: Final answer
   x = 582,970.58