Finding the Third Proportional to 152,870 and 329,176

Step by Step Solution

1. Step 1: Write the proportion equation
   152,870 : 329,176 = 329,176 : x
2. Step 2: Convert to fraction form
   152,870/329,176 = 329,176/x
3. Step 3: Cross multiply
   152,870x = 329,176 × 329,176
4. Step 4: Simplify right side
   152,870x = 108,356,838,976
5. Step 5: Solve for x
   x = 108,356,838,976/152,870
6. Step 6: Final answer
   x = 708,816.90