Finding the Third Proportional to 59,139 and 89,325

Step by Step Solution

1. Step 1: Write the proportion equation
   59,139 : 89,325 = 89,325 : x
2. Step 2: Convert to fraction form
   59,139/89,325 = 89,325/x
3. Step 3: Cross multiply
   59,139x = 89,325 × 89,325
4. Step 4: Simplify right side
   59,139x = 7,978,955,625
5. Step 5: Solve for x
   x = 7,978,955,625/59,139
6. Step 6: Final answer
   x = 134,918.68