Finding the Third Proportional to 54,609.50 and 82,300

Step by Step Solution

1. Step 1: Write the proportion equation
   54,609.50 : 82,300 = 82,300 : x
2. Step 2: Convert to fraction form
   54,609.50/82,300 = 82,300/x
3. Step 3: Cross multiply
   54,609.50x = 82,300 × 82,300
4. Step 4: Simplify right side
   54,609.50x = 6,773,290,000
5. Step 5: Solve for x
   x = 6,773,290,000/54,609.50
6. Step 6: Final answer
   x = 124,031.35