Finding the Third Proportional to 21,406.78 and 33,325.17

Step by Step Solution

1. Step 1: Write the proportion equation
   21,406.78 : 33,325.17 = 33,325.17 : x
2. Step 2: Convert to fraction form
   21,406.78/33,325.17 = 33,325.17/x
3. Step 3: Cross multiply
   21,406.78x = 33,325.17 × 33,325.17
4. Step 4: Simplify right side
   21,406.78x = 1,110,567,080.50
5. Step 5: Solve for x
   x = 1,110,567,080.50/21,406.78
6. Step 6: Final answer
   x = 51,879.22