Finding the Third Proportional to 83,560 and 127,988

Step by Step Solution

1. Step 1: Write the proportion equation
   83,560 : 127,988 = 127,988 : x
2. Step 2: Convert to fraction form
   83,560/127,988 = 127,988/x
3. Step 3: Cross multiply
   83,560x = 127,988 × 127,988
4. Step 4: Simplify right side
   83,560x = 16,380,928,144
5. Step 5: Solve for x
   x = 16,380,928,144/83,560
6. Step 6: Final answer
   x = 196,037.91