Finding the Third Proportional to 151,922.50 and 331,180.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,922.50 : 331,180.50 = 331,180.50 : x
2. Step 2: Convert to fraction form
   151,922.50/331,180.50 = 331,180.50/x
3. Step 3: Cross multiply
   151,922.50x = 331,180.50 × 331,180.50
4. Step 4: Simplify right side
   151,922.50x = 109,680,523,580.25
5. Step 5: Solve for x
   x = 109,680,523,580.25/151,922.50
6. Step 6: Final answer
   x = 721,950.49