Finding the Third Proportional to 98,760 and 141,128

Step by Step Solution

1. Step 1: Write the proportion equation
   98,760 : 141,128 = 141,128 : x
2. Step 2: Convert to fraction form
   98,760/141,128 = 141,128/x
3. Step 3: Cross multiply
   98,760x = 141,128 × 141,128
4. Step 4: Simplify right side
   98,760x = 19,917,112,384
5. Step 5: Solve for x
   x = 19,917,112,384/98,760
6. Step 6: Final answer
   x = 201,671.85