Finding the Third Proportional to 57,433 and 89,066

Step by Step Solution

1. Step 1: Write the proportion equation
   57,433 : 89,066 = 89,066 : x
2. Step 2: Convert to fraction form
   57,433/89,066 = 89,066/x
3. Step 3: Cross multiply
   57,433x = 89,066 × 89,066
4. Step 4: Simplify right side
   57,433x = 7,932,752,356
5. Step 5: Solve for x
   x = 7,932,752,356/57,433
6. Step 6: Final answer
   x = 138,121.85