Finding the Third Proportional to 144,810 and 188,910

Step by Step Solution

1. Step 1: Write the proportion equation
   144,810 : 188,910 = 188,910 : x
2. Step 2: Convert to fraction form
   144,810/188,910 = 188,910/x
3. Step 3: Cross multiply
   144,810x = 188,910 × 188,910
4. Step 4: Simplify right side
   144,810x = 35,686,988,100
5. Step 5: Solve for x
   x = 35,686,988,100/144,810
6. Step 6: Final answer
   x = 246,440.08