Finding the Third Proportional to 152,859 and 329,152

Step by Step Solution

1. Step 1: Write the proportion equation
   152,859 : 329,152 = 329,152 : x
2. Step 2: Convert to fraction form
   152,859/329,152 = 329,152/x
3. Step 3: Cross multiply
   152,859x = 329,152 × 329,152
4. Step 4: Simplify right side
   152,859x = 108,341,039,104
5. Step 5: Solve for x
   x = 108,341,039,104/152,859
6. Step 6: Final answer
   x = 708,764.54