Finding the Third Proportional to 151,249.50 and 331,567.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,249.50 : 331,567.50 = 331,567.50 : x
2. Step 2: Convert to fraction form
   151,249.50/331,567.50 = 331,567.50/x
3. Step 3: Cross multiply
   151,249.50x = 331,567.50 × 331,567.50
4. Step 4: Simplify right side
   151,249.50x = 109,937,007,056.25
5. Step 5: Solve for x
   x = 109,937,007,056.25/151,249.50
6. Step 6: Final answer
   x = 726,858.65