Finding the Third Proportional to 15,643.75 and 33,513.38

Step by Step Solution

1. Step 1: Write the proportion equation
   15,643.75 : 33,513.38 = 33,513.38 : x
2. Step 2: Convert to fraction form
   15,643.75/33,513.38 = 33,513.38/x
3. Step 3: Cross multiply
   15,643.75x = 33,513.38 × 33,513.38
4. Step 4: Simplify right side
   15,643.75x = 1,123,146,303.89
5. Step 5: Solve for x
   x = 1,123,146,303.89/15,643.75
6. Step 6: Final answer
   x = 71,795.21