Finding the Third Proportional to 150,521 and 225,043.50

Step by Step Solution

1. Step 1: Write the proportion equation
   150,521 : 225,043.50 = 225,043.50 : x
2. Step 2: Convert to fraction form
   150,521/225,043.50 = 225,043.50/x
3. Step 3: Cross multiply
   150,521x = 225,043.50 × 225,043.50
4. Step 4: Simplify right side
   150,521x = 50,644,576,892.25
5. Step 5: Solve for x
   x = 50,644,576,892.25/150,521
6. Step 6: Final answer
   x = 336,461.87