Finding the Third Proportional to 152,996 and 331,404

Step by Step Solution

1. Step 1: Write the proportion equation
   152,996 : 331,404 = 331,404 : x
2. Step 2: Convert to fraction form
   152,996/331,404 = 331,404/x
3. Step 3: Cross multiply
   152,996x = 331,404 × 331,404
4. Step 4: Simplify right side
   152,996x = 109,828,611,216
5. Step 5: Solve for x
   x = 109,828,611,216/152,996
6. Step 6: Final answer
   x = 717,852.83