Finding the Third Proportional to 28,040 and 56,904

Step by Step Solution

1. Step 1: Write the proportion equation
   28,040 : 56,904 = 56,904 : x
2. Step 2: Convert to fraction form
   28,040/56,904 = 56,904/x
3. Step 3: Cross multiply
   28,040x = 56,904 × 56,904
4. Step 4: Simplify right side
   28,040x = 3,238,065,216
5. Step 5: Solve for x
   x = 3,238,065,216/28,040
6. Step 6: Final answer
   x = 115,480.21