Finding the Third Proportional to 15,961.50 and 33,781.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,961.50 : 33,781.50 = 33,781.50 : x
2. Step 2: Convert to fraction form
   15,961.50/33,781.50 = 33,781.50/x
3. Step 3: Cross multiply
   15,961.50x = 33,781.50 × 33,781.50
4. Step 4: Simplify right side
   15,961.50x = 1,141,189,742.25
5. Step 5: Solve for x
   x = 1,141,189,742.25/15,961.50
6. Step 6: Final answer
   x = 71,496.40