Finding the Third Proportional to 152,782 and 328,968

Step by Step Solution

1. Step 1: Write the proportion equation
   152,782 : 328,968 = 328,968 : x
2. Step 2: Convert to fraction form
   152,782/328,968 = 328,968/x
3. Step 3: Cross multiply
   152,782x = 328,968 × 328,968
4. Step 4: Simplify right side
   152,782x = 108,219,945,024
5. Step 5: Solve for x
   x = 108,219,945,024/152,782
6. Step 6: Final answer
   x = 708,329.16