Finding the Third Proportional to 3,972.38 and 8,167.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,972.38 : 8,167.50 = 8,167.50 : x
2. Step 2: Convert to fraction form
   3,972.38/8,167.50 = 8,167.50/x
3. Step 3: Cross multiply
   3,972.38x = 8,167.50 × 8,167.50
4. Step 4: Simplify right side
   3,972.38x = 66,708,056.25
5. Step 5: Solve for x
   x = 66,708,056.25/3,972.38
6. Step 6: Final answer
   x = 16,792.99