Finding the Third Proportional to 39,505.50 and 87,016.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,505.50 : 87,016.50 = 87,016.50 : x
2. Step 2: Convert to fraction form
   39,505.50/87,016.50 = 87,016.50/x
3. Step 3: Cross multiply
   39,505.50x = 87,016.50 × 87,016.50
4. Step 4: Simplify right side
   39,505.50x = 7,571,871,272.25
5. Step 5: Solve for x
   x = 7,571,871,272.25/39,505.50
6. Step 6: Final answer
   x = 191,666.26