Finding the Third Proportional to 39,257.50 and 87,222.25

Step by Step Solution

1. Step 1: Write the proportion equation
   39,257.50 : 87,222.25 = 87,222.25 : x
2. Step 2: Convert to fraction form
   39,257.50/87,222.25 = 87,222.25/x
3. Step 3: Cross multiply
   39,257.50x = 87,222.25 × 87,222.25
4. Step 4: Simplify right side
   39,257.50x = 7,607,720,895.06
5. Step 5: Solve for x
   x = 7,607,720,895.06/39,257.50
6. Step 6: Final answer
   x = 193,790.25