Finding the Third Proportional to 171,711 and 359,095.50

Step by Step Solution

1. Step 1: Write the proportion equation
   171,711 : 359,095.50 = 359,095.50 : x
2. Step 2: Convert to fraction form
   171,711/359,095.50 = 359,095.50/x
3. Step 3: Cross multiply
   171,711x = 359,095.50 × 359,095.50
4. Step 4: Simplify right side
   171,711x = 128,949,578,120.25
5. Step 5: Solve for x
   x = 128,949,578,120.25/171,711
6. Step 6: Final answer
   x = 750,968.65