Finding the Third Proportional to 21,498.75 and 33,206.63

Step by Step Solution

1. Step 1: Write the proportion equation
   21,498.75 : 33,206.63 = 33,206.63 : x
2. Step 2: Convert to fraction form
   21,498.75/33,206.63 = 33,206.63/x
3. Step 3: Cross multiply
   21,498.75x = 33,206.63 × 33,206.63
4. Step 4: Simplify right side
   21,498.75x = 1,102,679,943.89
5. Step 5: Solve for x
   x = 1,102,679,943.89/21,498.75
6. Step 6: Final answer
   x = 51,290.42