Finding the Third Proportional to 152,968.50 and 331,356

Step by Step Solution

1. Step 1: Write the proportion equation
   152,968.50 : 331,356 = 331,356 : x
2. Step 2: Convert to fraction form
   152,968.50/331,356 = 331,356/x
3. Step 3: Cross multiply
   152,968.50x = 331,356 × 331,356
4. Step 4: Simplify right side
   152,968.50x = 109,796,798,736
5. Step 5: Solve for x
   x = 109,796,798,736/152,968.50
6. Step 6: Final answer
   x = 717,773.91