Finding the Third Proportional to 17,839.50 and 38,856.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,839.50 : 38,856.75 = 38,856.75 : x
2. Step 2: Convert to fraction form
   17,839.50/38,856.75 = 38,856.75/x
3. Step 3: Cross multiply
   17,839.50x = 38,856.75 × 38,856.75
4. Step 4: Simplify right side
   17,839.50x = 1,509,847,020.56
5. Step 5: Solve for x
   x = 1,509,847,020.56/17,839.50
6. Step 6: Final answer
   x = 84,635.05