Finding the Third Proportional to 67,072 and 145,792

Step by Step Solution

1. Step 1: Write the proportion equation
   67,072 : 145,792 = 145,792 : x
2. Step 2: Convert to fraction form
   67,072/145,792 = 145,792/x
3. Step 3: Cross multiply
   67,072x = 145,792 × 145,792
4. Step 4: Simplify right side
   67,072x = 21,255,307,264
5. Step 5: Solve for x
   x = 21,255,307,264/67,072
6. Step 6: Final answer
   x = 316,902.84