Finding the Third Proportional to 39,142.50 and 87,250

Step by Step Solution

1. Step 1: Write the proportion equation
   39,142.50 : 87,250 = 87,250 : x
2. Step 2: Convert to fraction form
   39,142.50/87,250 = 87,250/x
3. Step 3: Cross multiply
   39,142.50x = 87,250 × 87,250
4. Step 4: Simplify right side
   39,142.50x = 7,612,562,500
5. Step 5: Solve for x
   x = 7,612,562,500/39,142.50
6. Step 6: Final answer
   x = 194,483.30