Finding the Third Proportional to 152,975.50 and 331,370

Step by Step Solution

1. Step 1: Write the proportion equation
   152,975.50 : 331,370 = 331,370 : x
2. Step 2: Convert to fraction form
   152,975.50/331,370 = 331,370/x
3. Step 3: Cross multiply
   152,975.50x = 331,370 × 331,370
4. Step 4: Simplify right side
   152,975.50x = 109,806,076,900
5. Step 5: Solve for x
   x = 109,806,076,900/152,975.50
6. Step 6: Final answer
   x = 717,801.72