Finding the Third Proportional to 172,034 and 350,980

Step by Step Solution

1. Step 1: Write the proportion equation
   172,034 : 350,980 = 350,980 : x
2. Step 2: Convert to fraction form
   172,034/350,980 = 350,980/x
3. Step 3: Cross multiply
   172,034x = 350,980 × 350,980
4. Step 4: Simplify right side
   172,034x = 123,186,960,400
5. Step 5: Solve for x
   x = 123,186,960,400/172,034
6. Step 6: Final answer
   x = 716,061.71