Finding the Third Proportional to 152,968 and 328,078

Step by Step Solution

1. Step 1: Write the proportion equation
   152,968 : 328,078 = 328,078 : x
2. Step 2: Convert to fraction form
   152,968/328,078 = 328,078/x
3. Step 3: Cross multiply
   152,968x = 328,078 × 328,078
4. Step 4: Simplify right side
   152,968x = 107,635,174,084
5. Step 5: Solve for x
   x = 107,635,174,084/152,968
6. Step 6: Final answer
   x = 703,645.04