Finding the Third Proportional to 36,621 and 54,932.50

Step by Step Solution

1. Step 1: Write the proportion equation
   36,621 : 54,932.50 = 54,932.50 : x
2. Step 2: Convert to fraction form
   36,621/54,932.50 = 54,932.50/x
3. Step 3: Cross multiply
   36,621x = 54,932.50 × 54,932.50
4. Step 4: Simplify right side
   36,621x = 3,017,579,556.25
5. Step 5: Solve for x
   x = 3,017,579,556.25/36,621
6. Step 6: Final answer
   x = 82,400.25