Finding the Third Proportional to 70,231.50 and 130,500

Step by Step Solution

1. Step 1: Write the proportion equation
   70,231.50 : 130,500 = 130,500 : x
2. Step 2: Convert to fraction form
   70,231.50/130,500 = 130,500/x
3. Step 3: Cross multiply
   70,231.50x = 130,500 × 130,500
4. Step 4: Simplify right side
   70,231.50x = 17,030,250,000
5. Step 5: Solve for x
   x = 17,030,250,000/70,231.50
6. Step 6: Final answer
   x = 242,487.35