Finding the Third Proportional to 19,885.50 and 28,100.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,885.50 : 28,100.25 = 28,100.25 : x
2. Step 2: Convert to fraction form
   19,885.50/28,100.25 = 28,100.25/x
3. Step 3: Cross multiply
   19,885.50x = 28,100.25 × 28,100.25
4. Step 4: Simplify right side
   19,885.50x = 789,624,050.06
5. Step 5: Solve for x
   x = 789,624,050.06/19,885.50
6. Step 6: Final answer
   x = 39,708.53