Finding the Third Proportional to 36,636 and 54,807

Step by Step Solution

1. Step 1: Write the proportion equation
   36,636 : 54,807 = 54,807 : x
2. Step 2: Convert to fraction form
   36,636/54,807 = 54,807/x
3. Step 3: Cross multiply
   36,636x = 54,807 × 54,807
4. Step 4: Simplify right side
   36,636x = 3,003,807,249
5. Step 5: Solve for x
   x = 3,003,807,249/36,636
6. Step 6: Final answer
   x = 81,990.59