Finding the Third Proportional to 19,600.88 and 28,939.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,600.88 : 28,939.50 = 28,939.50 : x
2. Step 2: Convert to fraction form
   19,600.88/28,939.50 = 28,939.50/x
3. Step 3: Cross multiply
   19,600.88x = 28,939.50 × 28,939.50
4. Step 4: Simplify right side
   19,600.88x = 837,494,660.25
5. Step 5: Solve for x
   x = 837,494,660.25/19,600.88
6. Step 6: Final answer
   x = 42,727.41