Finding the Third Proportional to 171,713 and 359,100

Step by Step Solution

1. Step 1: Write the proportion equation
   171,713 : 359,100 = 359,100 : x
2. Step 2: Convert to fraction form
   171,713/359,100 = 359,100/x
3. Step 3: Cross multiply
   171,713x = 359,100 × 359,100
4. Step 4: Simplify right side
   171,713x = 128,952,810,000
5. Step 5: Solve for x
   x = 128,952,810,000/171,713
6. Step 6: Final answer
   x = 750,978.73