Finding the Third Proportional to 21,310.25 and 33,430.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,310.25 : 33,430.25 = 33,430.25 : x
2. Step 2: Convert to fraction form
   21,310.25/33,430.25 = 33,430.25/x
3. Step 3: Cross multiply
   21,310.25x = 33,430.25 × 33,430.25
4. Step 4: Simplify right side
   21,310.25x = 1,117,581,615.06
5. Step 5: Solve for x
   x = 1,117,581,615.06/21,310.25
6. Step 6: Final answer
   x = 52,443.38