Finding the Third Proportional to 19,426.50 and 29,128.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,426.50 : 29,128.50 = 29,128.50 : x
2. Step 2: Convert to fraction form
   19,426.50/29,128.50 = 29,128.50/x
3. Step 3: Cross multiply
   19,426.50x = 29,128.50 × 29,128.50
4. Step 4: Simplify right side
   19,426.50x = 848,469,512.25
5. Step 5: Solve for x
   x = 848,469,512.25/19,426.50
6. Step 6: Final answer
   x = 43,675.88