Finding the Third Proportional to 148,033.50 and 213,667

Step by Step Solution

1. Step 1: Write the proportion equation
   148,033.50 : 213,667 = 213,667 : x
2. Step 2: Convert to fraction form
   148,033.50/213,667 = 213,667/x
3. Step 3: Cross multiply
   148,033.50x = 213,667 × 213,667
4. Step 4: Simplify right side
   148,033.50x = 45,653,586,889
5. Step 5: Solve for x
   x = 45,653,586,889/148,033.50
6. Step 6: Final answer
   x = 308,400.37