Finding the Third Proportional to 151,013 and 221,442.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,013 : 221,442.50 = 221,442.50 : x
2. Step 2: Convert to fraction form
   151,013/221,442.50 = 221,442.50/x
3. Step 3: Cross multiply
   151,013x = 221,442.50 × 221,442.50
4. Step 4: Simplify right side
   151,013x = 49,036,780,806.25
5. Step 5: Solve for x
   x = 49,036,780,806.25/151,013
6. Step 6: Final answer
   x = 324,718.94