Finding the Third Proportional to 19,826.25 and 26,431.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,826.25 : 26,431.50 = 26,431.50 : x
2. Step 2: Convert to fraction form
   19,826.25/26,431.50 = 26,431.50/x
3. Step 3: Cross multiply
   19,826.25x = 26,431.50 × 26,431.50
4. Step 4: Simplify right side
   19,826.25x = 698,624,192.25
5. Step 5: Solve for x
   x = 698,624,192.25/19,826.25
6. Step 6: Final answer
   x = 35,237.33