Finding the Third Proportional to 39,238 and 85,811.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,238 : 85,811.50 = 85,811.50 : x
2. Step 2: Convert to fraction form
   39,238/85,811.50 = 85,811.50/x
3. Step 3: Cross multiply
   39,238x = 85,811.50 × 85,811.50
4. Step 4: Simplify right side
   39,238x = 7,363,613,532.25
5. Step 5: Solve for x
   x = 7,363,613,532.25/39,238
6. Step 6: Final answer
   x = 187,665.36