Finding the Third Proportional to 106,139.25 and 144,223.31

Step by Step Solution

1. Step 1: Write the proportion equation
   106,139.25 : 144,223.31 = 144,223.31 : x
2. Step 2: Convert to fraction form
   106,139.25/144,223.31 = 144,223.31/x
3. Step 3: Cross multiply
   106,139.25x = 144,223.31 × 144,223.31
4. Step 4: Simplify right side
   106,139.25x = 20,800,363,868.47
5. Step 5: Solve for x
   x = 20,800,363,868.47/106,139.25
6. Step 6: Final answer
   x = 195,972.40