Finding the Third Proportional to 38,930 and 86,500

Step by Step Solution

1. Step 1: Write the proportion equation
   38,930 : 86,500 = 86,500 : x
2. Step 2: Convert to fraction form
   38,930/86,500 = 86,500/x
3. Step 3: Cross multiply
   38,930x = 86,500 × 86,500
4. Step 4: Simplify right side
   38,930x = 7,482,250,000
5. Step 5: Solve for x
   x = 7,482,250,000/38,930
6. Step 6: Final answer
   x = 192,197.53