Finding the Third Proportional to 178,495 and 375,398

Step by Step Solution

1. Step 1: Write the proportion equation
   178,495 : 375,398 = 375,398 : x
2. Step 2: Convert to fraction form
   178,495/375,398 = 375,398/x
3. Step 3: Cross multiply
   178,495x = 375,398 × 375,398
4. Step 4: Simplify right side
   178,495x = 140,923,658,404
5. Step 5: Solve for x
   x = 140,923,658,404/178,495
6. Step 6: Final answer
   x = 789,510.40