Finding the Third Proportional to 21,034.50 and 31,713.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,034.50 : 31,713.75 = 31,713.75 : x
2. Step 2: Convert to fraction form
   21,034.50/31,713.75 = 31,713.75/x
3. Step 3: Cross multiply
   21,034.50x = 31,713.75 × 31,713.75
4. Step 4: Simplify right side
   21,034.50x = 1,005,761,939.06
5. Step 5: Solve for x
   x = 1,005,761,939.06/21,034.50
6. Step 6: Final answer
   x = 47,814.87