Finding the Third Proportional to 171,660 and 359,000

Step by Step Solution

1. Step 1: Write the proportion equation
   171,660 : 359,000 = 359,000 : x
2. Step 2: Convert to fraction form
   171,660/359,000 = 359,000/x
3. Step 3: Cross multiply
   171,660x = 359,000 × 359,000
4. Step 4: Simplify right side
   171,660x = 128,881,000,000
5. Step 5: Solve for x
   x = 128,881,000,000/171,660
6. Step 6: Final answer
   x = 750,792.26