Finding the Third Proportional to 149,572.50 and 222,010.25

Step by Step Solution

1. Step 1: Write the proportion equation
   149,572.50 : 222,010.25 = 222,010.25 : x
2. Step 2: Convert to fraction form
   149,572.50/222,010.25 = 222,010.25/x
3. Step 3: Cross multiply
   149,572.50x = 222,010.25 × 222,010.25
4. Step 4: Simplify right side
   149,572.50x = 49,288,551,105.06
5. Step 5: Solve for x
   x = 49,288,551,105.06/149,572.50
6. Step 6: Final answer
   x = 329,529.50