Finding the Third Proportional to 21,939.75 and 34,029.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,939.75 : 34,029.75 = 34,029.75 : x
2. Step 2: Convert to fraction form
   21,939.75/34,029.75 = 34,029.75/x
3. Step 3: Cross multiply
   21,939.75x = 34,029.75 × 34,029.75
4. Step 4: Simplify right side
   21,939.75x = 1,158,023,885.06
5. Step 5: Solve for x
   x = 1,158,023,885.06/21,939.75
6. Step 6: Final answer
   x = 52,782.00