Finding the Third Proportional to 57,923 and 89,545

Step by Step Solution

1. Step 1: Write the proportion equation
   57,923 : 89,545 = 89,545 : x
2. Step 2: Convert to fraction form
   57,923/89,545 = 89,545/x
3. Step 3: Cross multiply
   57,923x = 89,545 × 89,545
4. Step 4: Simplify right side
   57,923x = 8,018,307,025
5. Step 5: Solve for x
   x = 8,018,307,025/57,923
6. Step 6: Final answer
   x = 138,430.45