Finding the Third Proportional to 13,189.50 and 28,561.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,189.50 : 28,561.50 = 28,561.50 : x
2. Step 2: Convert to fraction form
   13,189.50/28,561.50 = 28,561.50/x
3. Step 3: Cross multiply
   13,189.50x = 28,561.50 × 28,561.50
4. Step 4: Simplify right side
   13,189.50x = 815,759,282.25
5. Step 5: Solve for x
   x = 815,759,282.25/13,189.50
6. Step 6: Final answer
   x = 61,849.14