Finding the Third Proportional to 149,722 and 225,190.50

Step by Step Solution

1. Step 1: Write the proportion equation
   149,722 : 225,190.50 = 225,190.50 : x
2. Step 2: Convert to fraction form
   149,722/225,190.50 = 225,190.50/x
3. Step 3: Cross multiply
   149,722x = 225,190.50 × 225,190.50
4. Step 4: Simplify right side
   149,722x = 50,710,761,290.25
5. Step 5: Solve for x
   x = 50,710,761,290.25/149,722
6. Step 6: Final answer
   x = 338,699.46