Finding the Third Proportional to 59,538 and 87,015

Step by Step Solution

1. Step 1: Write the proportion equation
   59,538 : 87,015 = 87,015 : x
2. Step 2: Convert to fraction form
   59,538/87,015 = 87,015/x
3. Step 3: Cross multiply
   59,538x = 87,015 × 87,015
4. Step 4: Simplify right side
   59,538x = 7,571,610,225
5. Step 5: Solve for x
   x = 7,571,610,225/59,538
6. Step 6: Final answer
   x = 127,172.73