Finding the Third Proportional to 47,700 and 70,089

Step by Step Solution

1. Step 1: Write the proportion equation
   47,700 : 70,089 = 70,089 : x
2. Step 2: Convert to fraction form
   47,700/70,089 = 70,089/x
3. Step 3: Cross multiply
   47,700x = 70,089 × 70,089
4. Step 4: Simplify right side
   47,700x = 4,912,467,921
5. Step 5: Solve for x
   x = 4,912,467,921/47,700
6. Step 6: Final answer
   x = 102,986.75