Finding the Third Proportional to 36,209.91 and 53,018.53

Step by Step Solution

1. Step 1: Write the proportion equation
   36,209.91 : 53,018.53 = 53,018.53 : x
2. Step 2: Convert to fraction form
   36,209.91/53,018.53 = 53,018.53/x
3. Step 3: Cross multiply
   36,209.91x = 53,018.53 × 53,018.53
4. Step 4: Simplify right side
   36,209.91x = 2,810,964,655.91
5. Step 5: Solve for x
   x = 2,810,964,655.91/36,209.91
6. Step 6: Final answer
   x = 77,629.71