Finding the Third Proportional to 36,216.50 and 56,031.50

Step by Step Solution

1. Step 1: Write the proportion equation
   36,216.50 : 56,031.50 = 56,031.50 : x
2. Step 2: Convert to fraction form
   36,216.50/56,031.50 = 56,031.50/x
3. Step 3: Cross multiply
   36,216.50x = 56,031.50 × 56,031.50
4. Step 4: Simplify right side
   36,216.50x = 3,139,528,992.25
5. Step 5: Solve for x
   x = 3,139,528,992.25/36,216.50
6. Step 6: Final answer
   x = 86,687.81