Finding the Third Proportional to 11,904 and 28,204.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,904 : 28,204.50 = 28,204.50 : x
2. Step 2: Convert to fraction form
   11,904/28,204.50 = 28,204.50/x
3. Step 3: Cross multiply
   11,904x = 28,204.50 × 28,204.50
4. Step 4: Simplify right side
   11,904x = 795,493,820.25
5. Step 5: Solve for x
   x = 795,493,820.25/11,904
6. Step 6: Final answer
   x = 66,825.76