Finding the Third Proportional to 57,065 and 89,052

Step by Step Solution

1. Step 1: Write the proportion equation
   57,065 : 89,052 = 89,052 : x
2. Step 2: Convert to fraction form
   57,065/89,052 = 89,052/x
3. Step 3: Cross multiply
   57,065x = 89,052 × 89,052
4. Step 4: Simplify right side
   57,065x = 7,930,258,704
5. Step 5: Solve for x
   x = 7,930,258,704/57,065
6. Step 6: Final answer
   x = 138,968.87