Finding the Third Proportional to 38,299.50 and 57,219.75

Step by Step Solution

1. Step 1: Write the proportion equation
   38,299.50 : 57,219.75 = 57,219.75 : x
2. Step 2: Convert to fraction form
   38,299.50/57,219.75 = 57,219.75/x
3. Step 3: Cross multiply
   38,299.50x = 57,219.75 × 57,219.75
4. Step 4: Simplify right side
   38,299.50x = 3,274,099,790.06
5. Step 5: Solve for x
   x = 3,274,099,790.06/38,299.50
6. Step 6: Final answer
   x = 85,486.75