Finding the Third Proportional to 98,692 and 144,040

Step by Step Solution

1. Step 1: Write the proportion equation
   98,692 : 144,040 = 144,040 : x
2. Step 2: Convert to fraction form
   98,692/144,040 = 144,040/x
3. Step 3: Cross multiply
   98,692x = 144,040 × 144,040
4. Step 4: Simplify right side
   98,692x = 20,747,521,600
5. Step 5: Solve for x
   x = 20,747,521,600/98,692
6. Step 6: Final answer
   x = 210,224.96