Finding the Third Proportional to 98,760 and 144,684

Step by Step Solution

1. Step 1: Write the proportion equation
   98,760 : 144,684 = 144,684 : x
2. Step 2: Convert to fraction form
   98,760/144,684 = 144,684/x
3. Step 3: Cross multiply
   98,760x = 144,684 × 144,684
4. Step 4: Simplify right side
   98,760x = 20,933,459,856
5. Step 5: Solve for x
   x = 20,933,459,856/98,760
6. Step 6: Final answer
   x = 211,962.94