Finding the Third Proportional to 19,936.50 and 29,040

Step by Step Solution

1. Step 1: Write the proportion equation
   19,936.50 : 29,040 = 29,040 : x
2. Step 2: Convert to fraction form
   19,936.50/29,040 = 29,040/x
3. Step 3: Cross multiply
   19,936.50x = 29,040 × 29,040
4. Step 4: Simplify right side
   19,936.50x = 843,321,600
5. Step 5: Solve for x
   x = 843,321,600/19,936.50
6. Step 6: Final answer
   x = 42,300.38