Finding the Third Proportional to 69,853.50 and 150,868.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,853.50 : 150,868.50 = 150,868.50 : x
2. Step 2: Convert to fraction form
   69,853.50/150,868.50 = 150,868.50/x
3. Step 3: Cross multiply
   69,853.50x = 150,868.50 × 150,868.50
4. Step 4: Simplify right side
   69,853.50x = 22,761,304,292.25
5. Step 5: Solve for x
   x = 22,761,304,292.25/69,853.50
6. Step 6: Final answer
   x = 325,843.43