Finding the Third Proportional to 15,513.75 and 33,487.31

Step by Step Solution

1. Step 1: Write the proportion equation
   15,513.75 : 33,487.31 = 33,487.31 : x
2. Step 2: Convert to fraction form
   15,513.75/33,487.31 = 33,487.31/x
3. Step 3: Cross multiply
   15,513.75x = 33,487.31 × 33,487.31
4. Step 4: Simplify right side
   15,513.75x = 1,121,400,098.47
5. Step 5: Solve for x
   x = 1,121,400,098.47/15,513.75
6. Step 6: Final answer
   x = 72,284.27