Finding the Third Proportional to 172,968 and 375,462

Step by Step Solution

1. Step 1: Write the proportion equation
   172,968 : 375,462 = 375,462 : x
2. Step 2: Convert to fraction form
   172,968/375,462 = 375,462/x
3. Step 3: Cross multiply
   172,968x = 375,462 × 375,462
4. Step 4: Simplify right side
   172,968x = 140,971,713,444
5. Step 5: Solve for x
   x = 140,971,713,444/172,968
6. Step 6: Final answer
   x = 815,016.15