Finding the Third Proportional to 15,780 and 33,944.25

Step by Step Solution

1. Step 1: Write the proportion equation
   15,780 : 33,944.25 = 33,944.25 : x
2. Step 2: Convert to fraction form
   15,780/33,944.25 = 33,944.25/x
3. Step 3: Cross multiply
   15,780x = 33,944.25 × 33,944.25
4. Step 4: Simplify right side
   15,780x = 1,152,212,108.06
5. Step 5: Solve for x
   x = 1,152,212,108.06/15,780
6. Step 6: Final answer
   x = 73,017.24