Finding the Third Proportional to 57,558 and 87,538

Step by Step Solution

1. Step 1: Write the proportion equation
   57,558 : 87,538 = 87,538 : x
2. Step 2: Convert to fraction form
   57,558/87,538 = 87,538/x
3. Step 3: Cross multiply
   57,558x = 87,538 × 87,538
4. Step 4: Simplify right side
   57,558x = 7,662,901,444
5. Step 5: Solve for x
   x = 7,662,901,444/57,558
6. Step 6: Final answer
   x = 133,133.56