Finding the Third Proportional to 124,117.50 and 267,912

Step by Step Solution

1. Step 1: Write the proportion equation
   124,117.50 : 267,912 = 267,912 : x
2. Step 2: Convert to fraction form
   124,117.50/267,912 = 267,912/x
3. Step 3: Cross multiply
   124,117.50x = 267,912 × 267,912
4. Step 4: Simplify right side
   124,117.50x = 71,776,839,744
5. Step 5: Solve for x
   x = 71,776,839,744/124,117.50
6. Step 6: Final answer
   x = 578,297.50