Finding the Third Proportional to 59,481 and 86,988

Step by Step Solution

1. Step 1: Write the proportion equation
   59,481 : 86,988 = 86,988 : x
2. Step 2: Convert to fraction form
   59,481/86,988 = 86,988/x
3. Step 3: Cross multiply
   59,481x = 86,988 × 86,988
4. Step 4: Simplify right side
   59,481x = 7,566,912,144
5. Step 5: Solve for x
   x = 7,566,912,144/59,481
6. Step 6: Final answer
   x = 127,215.62