Finding the Third Proportional to 152,604 and 331,479

Step by Step Solution

1. Step 1: Write the proportion equation
   152,604 : 331,479 = 331,479 : x
2. Step 2: Convert to fraction form
   152,604/331,479 = 331,479/x
3. Step 3: Cross multiply
   152,604x = 331,479 × 331,479
4. Step 4: Simplify right side
   152,604x = 109,878,327,441
5. Step 5: Solve for x
   x = 109,878,327,441/152,604
6. Step 6: Final answer
   x = 720,022.59