Finding the Third Proportional to 152,672 and 331,604

Step by Step Solution

1. Step 1: Write the proportion equation
   152,672 : 331,604 = 331,604 : x
2. Step 2: Convert to fraction form
   152,672/331,604 = 331,604/x
3. Step 3: Cross multiply
   152,672x = 331,604 × 331,604
4. Step 4: Simplify right side
   152,672x = 109,961,212,816
5. Step 5: Solve for x
   x = 109,961,212,816/152,672
6. Step 6: Final answer
   x = 720,244.79