Finding the Third Proportional to 36,405 and 56,187

Step by Step Solution

1. Step 1: Write the proportion equation
   36,405 : 56,187 = 56,187 : x
2. Step 2: Convert to fraction form
   36,405/56,187 = 56,187/x
3. Step 3: Cross multiply
   36,405x = 56,187 × 56,187
4. Step 4: Simplify right side
   36,405x = 3,156,978,969
5. Step 5: Solve for x
   x = 3,156,978,969/36,405
6. Step 6: Final answer
   x = 86,718.28