Finding the Third Proportional to 144,478 and 191,707

Step by Step Solution

1. Step 1: Write the proportion equation
   144,478 : 191,707 = 191,707 : x
2. Step 2: Convert to fraction form
   144,478/191,707 = 191,707/x
3. Step 3: Cross multiply
   144,478x = 191,707 × 191,707
4. Step 4: Simplify right side
   144,478x = 36,751,573,849
5. Step 5: Solve for x
   x = 36,751,573,849/144,478
6. Step 6: Final answer
   x = 254,374.88