Finding the Third Proportional to 150,818 and 331,523

Step by Step Solution

1. Step 1: Write the proportion equation
   150,818 : 331,523 = 331,523 : x
2. Step 2: Convert to fraction form
   150,818/331,523 = 331,523/x
3. Step 3: Cross multiply
   150,818x = 331,523 × 331,523
4. Step 4: Simplify right side
   150,818x = 109,907,499,529
5. Step 5: Solve for x
   x = 109,907,499,529/150,818
6. Step 6: Final answer
   x = 728,742.59