Finding the Third Proportional to 39,993.75 and 87,520.63

Step by Step Solution

1. Step 1: Write the proportion equation
   39,993.75 : 87,520.63 = 87,520.63 : x
2. Step 2: Convert to fraction form
   39,993.75/87,520.63 = 87,520.63/x
3. Step 3: Cross multiply
   39,993.75x = 87,520.63 × 87,520.63
4. Step 4: Simplify right side
   39,993.75x = 7,659,859,800.39
5. Step 5: Solve for x
   x = 7,659,859,800.39/39,993.75
6. Step 6: Final answer
   x = 191,526.42