Finding the Third Proportional to 21,243.38 and 33,739.88

Step by Step Solution

1. Step 1: Write the proportion equation
   21,243.38 : 33,739.88 = 33,739.88 : x
2. Step 2: Convert to fraction form
   21,243.38/33,739.88 = 33,739.88/x
3. Step 3: Cross multiply
   21,243.38x = 33,739.88 × 33,739.88
4. Step 4: Simplify right side
   21,243.38x = 1,138,379,165.02
5. Step 5: Solve for x
   x = 1,138,379,165.02/21,243.38
6. Step 6: Final answer
   x = 53,587.49