Finding the Third Proportional to 152,968 and 331,354

Step by Step Solution

1. Step 1: Write the proportion equation
   152,968 : 331,354 = 331,354 : x
2. Step 2: Convert to fraction form
   152,968/331,354 = 331,354/x
3. Step 3: Cross multiply
   152,968x = 331,354 × 331,354
4. Step 4: Simplify right side
   152,968x = 109,795,473,316
5. Step 5: Solve for x
   x = 109,795,473,316/152,968
6. Step 6: Final answer
   x = 717,767.59