Finding the Third Proportional to 15,681.75 and 33,521.25

Step by Step Solution

1. Step 1: Write the proportion equation
   15,681.75 : 33,521.25 = 33,521.25 : x
2. Step 2: Convert to fraction form
   15,681.75/33,521.25 = 33,521.25/x
3. Step 3: Cross multiply
   15,681.75x = 33,521.25 × 33,521.25
4. Step 4: Simplify right side
   15,681.75x = 1,123,674,201.56
5. Step 5: Solve for x
   x = 1,123,674,201.56/15,681.75
6. Step 6: Final answer
   x = 71,654.90