Finding the Third Proportional to 33,700 and 72,989

Step by Step Solution

1. Step 1: Write the proportion equation
   33,700 : 72,989 = 72,989 : x
2. Step 2: Convert to fraction form
   33,700/72,989 = 72,989/x
3. Step 3: Cross multiply
   33,700x = 72,989 × 72,989
4. Step 4: Simplify right side
   33,700x = 5,327,394,121
5. Step 5: Solve for x
   x = 5,327,394,121/33,700
6. Step 6: Final answer
   x = 158,082.91