Finding the Third Proportional to 39,157 and 85,968.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,157 : 85,968.50 = 85,968.50 : x
2. Step 2: Convert to fraction form
   39,157/85,968.50 = 85,968.50/x
3. Step 3: Cross multiply
   39,157x = 85,968.50 × 85,968.50
4. Step 4: Simplify right side
   39,157x = 7,390,582,992.25
5. Step 5: Solve for x
   x = 7,390,582,992.25/39,157
6. Step 6: Final answer
   x = 188,742.32