Finding the Third Proportional to 152,626 and 331,520

Step by Step Solution

1. Step 1: Write the proportion equation
   152,626 : 331,520 = 331,520 : x
2. Step 2: Convert to fraction form
   152,626/331,520 = 331,520/x
3. Step 3: Cross multiply
   152,626x = 331,520 × 331,520
4. Step 4: Simplify right side
   152,626x = 109,905,510,400
5. Step 5: Solve for x
   x = 109,905,510,400/152,626
6. Step 6: Final answer
   x = 720,096.91