Finding the Third Proportional to 20,736 and 37,280.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,736 : 37,280.25 = 37,280.25 : x
2. Step 2: Convert to fraction form
   20,736/37,280.25 = 37,280.25/x
3. Step 3: Cross multiply
   20,736x = 37,280.25 × 37,280.25
4. Step 4: Simplify right side
   20,736x = 1,389,817,040.06
5. Step 5: Solve for x
   x = 1,389,817,040.06/20,736
6. Step 6: Final answer
   x = 67,024.36