Finding the Third Proportional to 98,367.75 and 144,289.69

Step by Step Solution

1. Step 1: Write the proportion equation
   98,367.75 : 144,289.69 = 144,289.69 : x
2. Step 2: Convert to fraction form
   98,367.75/144,289.69 = 144,289.69/x
3. Step 3: Cross multiply
   98,367.75x = 144,289.69 × 144,289.69
4. Step 4: Simplify right side
   98,367.75x = 20,819,513,918.85
5. Step 5: Solve for x
   x = 20,819,513,918.85/98,367.75
6. Step 6: Final answer
   x = 211,649.79