Finding the Third Proportional to 139,792 and 304,160

Step by Step Solution

1. Step 1: Write the proportion equation
   139,792 : 304,160 = 304,160 : x
2. Step 2: Convert to fraction form
   139,792/304,160 = 304,160/x
3. Step 3: Cross multiply
   139,792x = 304,160 × 304,160
4. Step 4: Simplify right side
   139,792x = 92,513,305,600
5. Step 5: Solve for x
   x = 92,513,305,600/139,792
6. Step 6: Final answer
   x = 661,792.56