Finding the Third Proportional to 267,867 and 404,538.75

Step by Step Solution

1. Step 1: Write the proportion equation
   267,867 : 404,538.75 = 404,538.75 : x
2. Step 2: Convert to fraction form
   267,867/404,538.75 = 404,538.75/x
3. Step 3: Cross multiply
   267,867x = 404,538.75 × 404,538.75
4. Step 4: Simplify right side
   267,867x = 163,651,600,251.56
5. Step 5: Solve for x
   x = 163,651,600,251.56/267,867
6. Step 6: Final answer
   x = 610,943.49