Finding the Third Proportional to 15,609.75 and 33,991.25

Step by Step Solution

1. Step 1: Write the proportion equation
   15,609.75 : 33,991.25 = 33,991.25 : x
2. Step 2: Convert to fraction form
   15,609.75/33,991.25 = 33,991.25/x
3. Step 3: Cross multiply
   15,609.75x = 33,991.25 × 33,991.25
4. Step 4: Simplify right side
   15,609.75x = 1,155,405,076.56
5. Step 5: Solve for x
   x = 1,155,405,076.56/15,609.75
6. Step 6: Final answer
   x = 74,018.17