Finding the Third Proportional to 171,640 and 373,792

Step by Step Solution

1. Step 1: Write the proportion equation
   171,640 : 373,792 = 373,792 : x
2. Step 2: Convert to fraction form
   171,640/373,792 = 373,792/x
3. Step 3: Cross multiply
   171,640x = 373,792 × 373,792
4. Step 4: Simplify right side
   171,640x = 139,720,459,264
5. Step 5: Solve for x
   x = 139,720,459,264/171,640
6. Step 6: Final answer
   x = 814,032.04