Finding the Third Proportional to 57,483 and 89,721

Step by Step Solution

1. Step 1: Write the proportion equation
   57,483 : 89,721 = 89,721 : x
2. Step 2: Convert to fraction form
   57,483/89,721 = 89,721/x
3. Step 3: Cross multiply
   57,483x = 89,721 × 89,721
4. Step 4: Simplify right side
   57,483x = 8,049,857,841
5. Step 5: Solve for x
   x = 8,049,857,841/57,483
6. Step 6: Final answer
   x = 140,038.93