Finding the Third Proportional to 171,716 and 359,108

Step by Step Solution

1. Step 1: Write the proportion equation
   171,716 : 359,108 = 359,108 : x
2. Step 2: Convert to fraction form
   171,716/359,108 = 359,108/x
3. Step 3: Cross multiply
   171,716x = 359,108 × 359,108
4. Step 4: Simplify right side
   171,716x = 128,958,555,664
5. Step 5: Solve for x
   x = 128,958,555,664/171,716
6. Step 6: Final answer
   x = 750,999.07