Finding the Third Proportional to 152,775.75 and 328,956

Step by Step Solution

1. Step 1: Write the proportion equation
   152,775.75 : 328,956 = 328,956 : x
2. Step 2: Convert to fraction form
   152,775.75/328,956 = 328,956/x
3. Step 3: Cross multiply
   152,775.75x = 328,956 × 328,956
4. Step 4: Simplify right side
   152,775.75x = 108,212,049,936
5. Step 5: Solve for x
   x = 108,212,049,936/152,775.75
6. Step 6: Final answer
   x = 708,306.46