Finding the Third Proportional to 203,586 and 267,715.50

Step by Step Solution

1. Step 1: Write the proportion equation
   203,586 : 267,715.50 = 267,715.50 : x
2. Step 2: Convert to fraction form
   203,586/267,715.50 = 267,715.50/x
3. Step 3: Cross multiply
   203,586x = 267,715.50 × 267,715.50
4. Step 4: Simplify right side
   203,586x = 71,671,588,940.25
5. Step 5: Solve for x
   x = 71,671,588,940.25/203,586
6. Step 6: Final answer
   x = 352,045.76