Finding the Third Proportional to 38,469.75 and 86,817.38

Step by Step Solution

1. Step 1: Write the proportion equation
   38,469.75 : 86,817.38 = 86,817.38 : x
2. Step 2: Convert to fraction form
   38,469.75/86,817.38 = 86,817.38/x
3. Step 3: Cross multiply
   38,469.75x = 86,817.38 × 86,817.38
4. Step 4: Simplify right side
   38,469.75x = 7,537,256,601.89
5. Step 5: Solve for x
   x = 7,537,256,601.89/38,469.75
6. Step 6: Final answer
   x = 195,926.84